









































Communication, Society and Media 
ISSN 2576-5388 (Print) ISSN 2576-5396 (Online) 

Vol. 6, No. 4, 2023 
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76 
 

Original Paper 

The Influence of Conversation Role on Prosodic Entrainment in 

Mandarin Interactions 
Zhihua Xia1* 

1 The School of Foreign Studies, Jiangsu Normal University, Xuzhou, Jiangsu Province, China 
* Zhihua Xia, The School of Foreign Studies, Jiangsu Normal University, Xuzhou, Jiangsu Province, 

China 

 

Received: November 10, 2023   Accepted: November 22, 2023   Online Published: December 1, 2023 

doi:10.22158/csm.v6n4p76                       URL: http://dx.doi.org/10.22158/csm.v6n4p76 

 

Abstract 

The aim of this study is to find out how conversation role affects prosodic entrainment in Mandarin 

interactions. Tongji Games Corpus are adopted for this study, in which two interlocutors play unequal 

roles in Picture Ordering Games (information giver and information follower), and equal roles in 

Picture Classifying Games. Based on this corpus, two tests are conducted in this study, the Role 

Influence Test and Role Direction Test. In the analysis of Role Influence Test, it is found that the 

entrainment degree in Picture Ordering Games is significantly bigger than that in the Picture 

Classifying Games. In the analysis of Role Direction Test, it is found that information givers entrain 

more to followers in conversation. These findings provide evidences that conversation roles, as one 

type of the social factors, have influence on the degree and direction of prosodic entrainment in 

Mandarin interactions. 

Keywords 

prosodic entrainment, conversation role, Mandarin interaction 

 

1. Introduction 

Conversations are considered as joint activities in which two interlocutors share or synchronize their 

mental states and performances. The joint nature of language processing in communication requires the 

interpersonal coordination in minds and actions (Brennan et al., 2010). This coordination is called 

entrainment.  

Prosodic entrainment means that two speakers adapt prosody to that of their interlocutors in 

conversation, and then become similar in speaking for smooth and successful communication. Prosodic 

entrainment is also named prosodic accommodation, prosodic adaptation, or prosodic alignment 



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(Brennan, 1996; Cummins, 2009; Van Der Wege, 2009; Lee et al., 2014; Beňuš et al., 2011; Levitan & 

Hirschberg, 2011; Levitan et al., 2012; Levitan, 2013; De Looze et al., 2014; Xia et al., 2004, 2023; 

Xia, 2013; Xia & Ma, 2016a, 2016b, 2019).  

Few attentions in previous studies are paid to conversation roles and prosodic entrainment. Social 

factors are proved to have influence on prosodic entrainment (Levitan et al., 2013). However, most of 

the previous studies have focused on the gender and prosodic entrainment (Levitan et al., 2013, Xia et 

al., 2014; Xia & Ma, 2016a, 2016b). Conversation role is crucial for successful communication. The 

previous studies have touched some types of conversational roles in other fields, for example, the 

sensorimotor activation related to speaker and listener role in natural conversation (Mandel et al., 2016), 

parent-infant conversations associated with the development of preterm and term-born infants 

(Coughlan, 2024). 

Different from the research mentioned above, this study aims to explore how the conversation role 

influences the prosodic entrainment in Mandarin conversation. In this study, two types of conversation 

roles are designed as “equal roles” in Picture Classification Games, in which two interlocutors have 

free discussion and make classification of all the pictures into certain categories, and the pairs take the 

equal roles in discussion, and “unequal roles” in Picture Ordering Games, in which two interlocutors in 

the conversation take the roles as information giver and information follower, and the information 

givers instructs followers to make correct order of the pictures.  

With this research goal, the analyses of entrainment and role are accomplished by two steps. The first 

step is the Role Influence Test, which aims to test whether the unequal roles affect the degree of 

entrainment or not. If the unequal roles prove to affect the degree of entrainment in the test of first step, 

it is necessary to test where the differences in the degree of entrainment come from. Then the second 

step, called Role Direction Test, aims to test the direction of entrainment between two roles in 

conversations, that is to say, to find out whether givers entrain more to followers or followers entrain 

more to givers.  

 

2. Variables 

The present research focuses on prosody in entrainment in Mandarin conversations. Seven variables are 

set in the analyses of Tongji Games Corpus in this study. These parameters come from 3 main aspect of 

prosody, including the feature of duration (Speaking-rate), the features of F0 (F0 min, F0 mean, F0 

max), and the features of intensity (Intensity min, Intensity mean and Intensity max).  

Speaking-rate equals the number of syllables per second in this study. Syllable counts are made 

automatically by Praat according to the orthographic transcriptions. Provides detailed calculation of 

speaking-rate. 

 



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Fundamental frequency of a voice is used to measure how often the sound wave repeats itself. The 

present research adopts min, mean and max values of fundamental frequency, which are obtained 

automatically by Praat.  

The features of intensity are used to describe the degree of energy in a sound wave. It is perceived as 

the volume of a sound. The present research adopts min, mean and max values of intensity, which are 

also obtained automatically by Praat. 

 

3. Corpus 

The corpus of the present research elicited by two games contains approximately 12 hours of 

spontaneous, task-oriented conversations between pairs of subjects. 70 pairs participated in the 

experiments, among which 17 pairs played the Picture Ordering game; 39 pairs played the Picture 

Classifying game, and 14 pairs played both. All the subjects produced 115 conversations (the pairs in 

Picture Ordering Game produced two conversations). The average duration of conversation is 6 

minutes. The analyses of the present research were based on the conversations produced by the 70 

pairs.  

3.1 Unequal and Equal Roles in Conversations 

Tongji Games Corpus are adopted in this study. Two games were used to elicit spontaneous 

conversations in this corpus. One is Picture Ordering Game, and the other is Picturing Classifying 

Game. 

In Picture Ordering Games, two interlocutors have “unequal conversation roles”. In detail, one subject 

played as the information giver, and the other subject played as the information follower. The 

information giver’s screen displayed 18 cards in the correct order; the information follower’s screen 

displayed the same 18 cards but in the incorrect order. The information giver instructed the information 

follower to put the 18 cards in correct order. 18 pictures were labeled by the numbers. The Picture 

Ordering Game started from the picture numbered as 1, continued to the picture numbered as 2, 3, ... 

and ended by the picture numbered as 18. When the task was completed, the same pair switched roles 

and accomplished the picture ordering game again, in which the previous information giver played as 

the information follower, and the previous follower as the giver.  

In Picture Classifying Game, two interlocutors have “equal conversation roles”. In detail, two 

interlocutors have discussion on how to classify the 18 pictures. What is presented on the screens of 

computers for the two interlocutors are the same (the same 18 pictures in the same order). Each pair 

accomplished attributive classification over 18 pictures. Interlocutors had discussion, reached 

agreement on the common attributes they found for the pictures, and grouped the pictures with the 

common attributes together. Every picture was assigned to a category by the common attributes 

accepted by both of the interlocutors. The classification also started from the picture numbered as 1, 



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continued to the picture numbered as 2, 3, ... and ended by the picture numbered as 18.  

3.2 Annotation 

3.2.1 IPU Segmentation 

IPUs are adopted as the minimal units in present study. IPU (Inter-Pausal Unit) is the stretch of a single 

speaker’s speech bounded by pauses (for example 100 ms). It is a minimal unit frequently used in the 

analyses of conversations. Koiso et al. (1998) utilized Inter-Pausal Units (IPUs) as the minimal units in 

the research of intonation in the turn taking in Japanese. Casper (2003) also employed this unit in 

studying local speech melody in turn taking system in Dutch. Levitan & Hirschberg (2011), Levitan et 

al. (2012) annotated the conversations by IPUs (pause-free units of speech from a single speaker 

separated from one another by at least 50 ms) in the study of prosodic entrainment in English.  

The threshold for IPUs of the present research is 80 ms. About setting the threshold of IPUs, the 

previous studies point out that the threshold can’t be too big, because the longer pause in IPUs would 

cause the omission of the IPUs with shorter pauses, and the prosodic descriptions would be ignored; the 

threshold can’t be too small, because it would be difficult to distinguish the real pause and the stop gap 

within segments, including plosives, affricatives, etc. So, the threshold should be between these two 

extremes. It should be as small as possible, but it should be longer than the maximal stop gap of 

segments. Therefore, the threshold of IPUs is the maximal stop gap of segments in the corpus. Thus, to 

find the threshold of IPUs is to find the maximal stop gap of plosives at the word initial position in 

Chinese conversations of this corpus. This method was carried out in several steps in the present 

research. The first step was to choose at random the recordings from 6 female and 6 male subjects. The 

second step was to find the stop gaps of plosives including [ph], [p], [th], [t], [kh], [k] at the word initial 

positions in these 12 recordings. The third step was to measure the durations of these stop gaps. The 

fourth step was to calculate the maximal stop gap. The maximum is 74.2 ms, and the present research 

set the closest integer value as 80 ms.  

IPU segmentation of the present study is accomplished in two steps. The first step is automatic 

labelling by SPPAS (Bigi & Hirst, 2012). The second step is the check of IPUs’ boundaries in Praat.  

3.2.2 Annotation in Praat 

The annotation work in Praat of the present research includes 4 steps.  

The first step is a check on IPU boundaries.  

The second step is dealing with the spontaneous speech phenomena in conversation.  

The third step is dealing with the boundaries of initial plosives. After all these three steps, the 

boundaries of IPUs are fixed.  

Then, the last step is to input Mandarin characters within IPUs for the data extraction in the following 

task.  

Data extraction was operated on these 7 variables over every IPU by Praat script.  



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4. Results and Discussions 

4.1 Role Influence Tests 

This analysis is to find out: Does the unequal roles affect the degree of entrainment?  

The unequal roles in this section are restricted to the information giver and information follower. 

Entrainment in conversation is proved to be related closely to social factors, and the individual 

differences of the interlocutors decide the direction and state of entrainment in conversation. Therefore, 

it is hypothesized that the unequal roles affect the degree of entrainment in conversation. 

4.1.1 Paired T-tests between odis and cdis 

In order to find out whether the unequal roles affect the degree of entrainment or not, the present 

research compares the entrainment degree of the pairs with unequal roles and that of the pairs with 

equal roles, which are controlled in Picture Ordering Games and Picture Classifying Games. So, 

research question in this section is converted to find whether the entrainment degree is different 

between Picture Ordering Games and Picture Classifying Games or not. 

It is hypothesized that the unequal roles affect the degree of entrainment.  

In order to analyze the role influence in the Picture Ordering Games and Picture Classifying Games, 

paired T-test is used in comparing entrainment degree between these two games. As mentioned above, 

the present research has made the control that the same pairs play both games, so the interference from 

the different pairs of speakers is controlled for in this analysis. Thus, the paired T-tests over the same 

interlocutors are valid to find out the difference of entrainment degree between two games.  

The entrainment degree in Picture Ordering Games, odis, refers to the distance of prosodic features 

over the whole conversation between two speakers in Picture Ordering Games. The entrainment degree 

in Picture Classifying Games, cdis, refers to the distance of prosodic features over the whole 

conversation between two speakers in Picture Classifying Games. Paired T-tests are accomplished 

between odis and cdis. 

According to the description of corpus, pairs of subjects participated in both the Picture Ordering 

Games and Picture Classifying Games.  

In terms of odis, the distance of prosodic features over the whole conversation between two speakers in 

the Picture Ordering Games conversations, the average distance from two conversations is calculated as 

its value, because every pair of subjects plays the Picture Ordering Game twice by switching the roles 

from information giver to information follower in Picture Ordering Games. Thus, 14 odis are computed 

for one prosodic parameter over 28 conversations in Picture Ordering Games by getting their averages.  

In terms of cdis, the distance of prosodic features over the whole conversation between two speakers in 

Picture Classifying Games conversations, one value of cdis comes from one conversation, because 

every pair plays classifying game once. 14 pairs participated in 14 conversations, so 14 cdis are 

computed over 14 conversations for one prosodic parameter.  



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One paired T-test is accomplished between 14 odis and 14 cdis for one prosodic parameter. 7 paired 

T-tests are accomplished for 7 prosodic parameters.  

The data used in paired T-tests are listed in the following Table 1 and 2. 

 

Table 1. The Values of odis in Picture Ordering Games 

 
Speaking 

_rate  
F0_min  F0_mean  F0_max  Int_min  Int_mean  Int_max 

1 1.36  24.56  19.43  31.92  6.54  7.70  7.83  

2 0.33  19.38  31.72  32.16  14.02  9.78  9.07  

3 0.10  13.06  8.50  15.25  1.55  7.16  8.84  

4 1.09  12.82  26.33  56.78  5.17  3.85  3.83  

5 1.09  78.38  104.50  152.71  8.60  0.59  0.19  

6 0.59  27.76  45.63  57.65  2.64  7.31  8.26  

7 0.98  29.28  28.73  37.18  3.24  4.48  4.34  

8 1.18  21.78  21.20  22.51  6.79  4.19  4.82  

9 0.19  13.80  14.38  21.62  2.39  2.95  3.16  

10 1.09  2.97  13.71  32.23  3.69  4.01  4.31  

11 0.70  6.08  1.64  5.93  2.04  3.71  3.73  

12 0.87  7.23  6.14  15.05  1.48  1.47  1.26  

13 0.85  26.81  25.72  23.99  2.88  6.79  7.13  

14 0.46  16.57  14.00  30.11  2.68  2.63  3.24  

 

Table 2. The Values of cdis in Picture Classifying Games 

 
Speaking 

_rate  
F0_min  F0_mean  F0_max  Int_min  Int_mean  Int_max 

1 1.66  19.49  25.55  38.02  11.45  6.05  5.64  

2 0.30  11.65  27.60  33.57  11.92  11.02  10.45  

3 0.34  0.71  1.89  4.12  3.74  3.08  3.80  

4 0.51  5.08  18.68  44.65  9.07  4.78  3.62  

5 1.26  72.52  105.69  150.37  13.43  1.55  1.77  

6 0.15  26.78  49.28  64.88  3.03  8.79  9.70  

7 0.29  21.09  22.59  28.09  0.54  2.65  3.33  

8 0.55  15.70  18.67  21.59  7.14  2.19  1.89  

9 0.78  15.13  13.22  20.45  1.26  2.18  2.21  

10 0.54  4.54  10.07  28.00  4.31  3.31  3.71  



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11 0.15  1.01  0.95  1.70  1.95  1.32  1.55  

12 0.40  11.54  6.96  6.47  3.25  2.87  3.37  

13 0.05  24.31  20.15  12.65  5.12  9.19  9.13  

14 0.29  18.81  6.40  21.38  0.56  2.46  2.97  

 

4.1.2 Results of the Entrainment Degree Tests 

The results in paired T-tests of entrainment degree for the same interlocutors between two games are 

listed in Table 3.  

 

Table 3. Paired T-tests in Entrainment Degree between Two Games 

Feature t df p-value Sig. meano meanc 

Speaking-rate 2.225 13 0.044 * 0.7782 0.5194 

F0 min 2.887 13 0.013 * 21.4646 17.7399 

F0 mean 2.119 13 0.054 / 25.8304 23.4078 

F0 max 2.506 13 0.026 * 38.2213 33.9959 

Intensity min -1.391 13 0.187 / 4.5517 5.4831 

Intensity mean 0.746 13 0.469 / 4.7587 4.3888 

Intensity max 0.875 13 0.397 / 5.0007 4.5094 

 

In Table 3, an asterisk * indicates the significant difference, and the symbol / indicates no significant 

difference. According to this table, the entrainment degree between the Picture Ordering Games and 

Picture Classifying Games are significantly different over 3 prosodic parameters: Speaking-rate (p= 

0.044 < 0.05), F0 min (p= 0.013 < 0.05) and F0 max (p= 0.026 < 0.05). The entrainment degree 

between two games is significantly different over F0 mean (p= 0.054 < 0.1) at confidence level 0.1.  

These results indicate that the degree of entrainment is significantly different between Picture Ordering 

Games and Picture Classifying Games over three prosodic parameters: Speaking-rate, F0min, and 

F0max, and the feature of F0 mean tends to be different between the two games.  

In addition, the mean entrainment degree in picture ordering game (indicated by meano in Table 2) is 

bigger than the mean entrainment degree in picture classifying game (indicated by meanc in Table 3) 

over almost every prosodic feature tested over the feature of duration and F0. It is the same for the 

features of intensity, although the differences are not significant. 

These indicate that the entrainment degree in the picture ordering game is larger than the entrainment 

degree in the picture classifying game over almost every prosodic feature tested.  



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The results above prove that the unequal roles (information giver or follower) affect the entrainment 

degree in conversation over the prosodic features of duration and F0, and the entrainment in the picture 

ordering games is stronger than that in the picture classifying games. That is, there is more entrainment 

in the conversations with unequal roles than in those with equal roles. 

4.2 Role Direction Tests 

It is proved in the Section 3.1 that the unequal roles (information giver or follower) affect the 

entrainment degree in conversation over the prosodic features of duration and F0. Questions can be 

asked further: what is the entrainment direction? Do information givers entrain more to followers, or do 

followers entrain more to givers? 

4.2.1 Paired T-tests between ｜Ag-A0｜and ｜Af-A0｜ 

As mentioned at the beginning of this section, the Role Direction Test is the second step in the analyses 

of entrainment and role. In the first step, the Role Influence Test, it is found that the degree of 

entrainment is significantly different between Picture Ordering Games and Picture Classifying Games 

over the features of duration and F0. Then it is necessary to analyze where the differences in the degree 

of entrainment come from.  

As mentioned above, some subjects are chosen to participate in both Picture Ordering Games and 

Picture Classifying Games. In Picture Ordering Games, two interlocutors (A and B) have different roles 

as information giver and information follower. When they finished the first game, they switched the 

roles in another ordering game. That is, two interlocutors participated in two ordering games, in which 

they switched the roles between information giver and information follower. In picture classifying, two 

speakers have the same roles in discussion. Thus, every subject has 3 speaking states.  

For instance, a subject in a pair (A & B) has 3 speaking states.  

Ag: A plays as an information giver in the first picture ordering game with B.  

Af: A plays as an information follower in the second picture ordering game with B.  

A0: A plays in an equal role with B in a picture classifying game.  

 

Bg: B plays as an information follower in the first picture ordering game with A.  

Bf: B plays as an information giver in the second picture ordering game with A.  

B0: B plays in an equal role with A in a picture classifying game. 

The same pair plays two kinds of games: the Picture Classifying Games and Picture Ordering Games. 

Taking one side of the interlocutors as an example, A0 is A’s speaking state with equal roles; Ag is A’s 

speaking state when A is an information giver; Af is A’s speaking state when A is an information 

follower. The difference between Ag and Af is the change in speaking state caused by the change in 

A’s roles from the information giver to the information follower, while the partner is still B. What is 

changed in B in Picture Ordering Games is also the state of speaking from the information follower to 



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the information giver. Therefore, as the other side of the pair, the partner of A, B also has 3 similar 

speaking states.  

The differences in the entrainment degree between two kinds of games found in the Section 5.1 are 

assumed to be caused by the difference in the roles. In the present research, among the 3 speaking 

states of A, A0 is considered as a reference state, because this speaking state is produced under the 

equal role with the partner. The deviation between Ag and A0 is caused only by A’s role of a giver, and 

the deviation between Af and A0 is caused only by A’s role of a follower. Therefore,｜Af-A0｜is the 

deviation caused by the role of giver;｜Af-A0｜is the deviation caused by the role of follower. The 

key point to make such comparisons valid is that in this analysis the partner of A is not changed, and 

what is changed is only the role of A. And all of this attributes to the experiment design of the present 

research that several pairs of subjects participated in both games.  

A paired T-test between｜Ag-A0｜and｜Af-A0｜is adopted in this section in order to find out which 

role causes bigger deviation. If｜Ag-A0｜is bigger than｜Af-A0｜, the deviation caused by the role of 

giver is bigger than that caused by the role of follower. That is, the giver makes larger deviation in 

entrainment than the follower does in conversation, so the giver entrains more to the follower. If｜

Ag-A0｜is smaller than /Af-A0/, the deviation caused by the role of giver is smaller than that caused 

by the role of follower. That is, the follower makes a larger derivation in entrainment than the giver 

does in conversation, so the follower entrains more to the giver.  

One point should be mentioned in the use of this method. The post-conversation influence is not 

considered in this analysis. Fourteen pairs participated in both the Picture Ordering Games and Picture 

Classifying Games. Every two interlocutors of them participated in two ordering games, in which they 

switched the roles between information giver and information follower, and a picture classifying game, 

in which two speakers in the pair have the same roles in discussion. One pair of these subjects actually 

produced three conversations. Thus, a question is raised: is there post-conversation influence among 

these conversations? That is, is the entrainment state in the followed conversations influenced by the 

previous ones?  

In the present research, the post-conversation influence of these three conversations produced by every 

pair of the 14 is not considered, because the requirements of these games are different. After the first 

picture ordering game, the roles of two interlocutors are changed in the second picture ordering game, 

and the content of picture classifying game is quite different from the previous two. Thus, the 

requirements of the games are always different. Therefore, the post-conversation influence is excluded 

in these analyses.  

According to the corpus description in Section 2, 14 pairs (28) subjects participated in both the Picture 

Ordering Games and Picture Classifying Games. Then 28 subjects made 28 conversations. One subject 

(A) has 3 speaking states, Ag, Af and A0 from the Picture Ordering Games and Picture Classifying 



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Games. For 28 subjects, there are 28 groups of Ag, Af and A0.  

The role influence test in Section 3.1 is the precondition of the Role Direction Test in Section 3.2. That 

is, those features which show role influence could be tested further for the role direction. According to 

the results of role influence test, different entrainment degree is found between unequal roles (the role 

of information giver and follower) and equal roles (the role of picture classifier) over the features of 

duration and F0. So as the further test of Role Influence Test, in the Role Direction Test, paired T-tests 

are accomplished over the features of duration and F0 including Speaking-rate, F0min, F0mean, and 

F0max.  

The values of｜Ag-A0｜and｜Af-A0｜used in paired T-test are listed in the following Table 4. 

 

Table 4. The values of｜Ag-A0｜and ｜Af-A0｜ 

 ｜Ag-A0｜ ｜Af-A0｜ 

 
Speaking 

_rate  
F0_min  F0_mean  F0_max 

Speaking 

_rate  
F0_min  F0_mean  F0_max 

1 0.34  5.40  1.01  11.92  0.18  19.03  10.64  4.00  

2 0.98  1.93  20.62  33.59  0.12  1.55  1.23  5.46  

3 0.36  2.90  3.30  1.31  0.14  6.42  1.86  9.68  

4 0.16  5.27  0.88  8.18  0.00  0.87  5.91  13.74  

5 0.29  2.90  2.62  8.67  0.07  10.90  3.06  3.26  

6 0.08  5.66  12.74  26.45  0.07  6.66  6.16  1.36  

7 0.23  7.66  17.63  27.87  0.60  22.36  4.84  6.97  

8 0.24  4.46  1.84  2.52  0.09  15.40  5.32  0.83  

9 1.16  2.91  0.93  0.32  0.13  8.47  5.85  2.23  

10 0.49  7.20  2.80  18.33  0.67  10.08  0.27  11.74  

11 0.72  1.77  1.69  2.82  0.22  3.96  0.89  0.02  

12 0.26  5.85  9.95  16.97  0.20  1.70  18.06  34.23  

13 1.30  3.31  3.68  6.80  0.20  9.66  0.69  13.59  

14 1.56  2.24  3.79  11.89  0.70  1.18  5.50  13.07  

15 0.68  1.94  4.37  4.95  0.02  0.24  1.01  1.48  

16 0.83  6.23  8.45  10.47  0.87  7.62  2.00  2.20  

17 0.03  1.91  7.56  8.39  0.67  6.50  2.47  2.95  

18 1.35  7.36  5.48  4.95  1.03  3.73  2.24  1.83  

19 0.81  5.37  7.03  11.39  0.13  8.50  3.41  2.02  

20 0.09  1.42  3.53  6.37  0.07  0.26  0.37  1.42  

21 0.03  3.20  0.51  1.34  0.46  3.68  0.83  2.82  



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22 0.57  3.25  0.84  4.99  0.33  2.04  1.90  0.71  

23 0.75  5.57  14.72  24.58  0.83  6.81  8.23  5.04  

24 0.41  2.22  12.23  25.72  0.47  1.53  9.07  21.07  

25 0.26  1.53  5.77  10.86  0.20  5.38  4.19  3.33  

26 1.20  1.72  1.44  0.94  0.86  0.18  2.62  9.43  

27 0.04  1.98  7.46  26.30  0.03  0.21  2.66  2.19  

28 0.09  0.47  13.40  35.19  0.31  2.23  4.48  3.46  

 

4.2.2 Results of the Role Direction Tests 

In Table 4, for the features of duration and F0, 28 groups of｜Ag-A0｜and｜Af-A0｜are listed. The 

paired T-tests are accomplished between these groups.  

The results of paired T-tests between｜Ag-A0｜and｜Af-A0｜are listed in Table 5.  

 

Table 5. Paired T-tests between｜Ag-A0｜and /Af-A0/ 

Feature t df p-value Sig. ｜Ag-A0｜ ｜Af-A0｜ 

Speaking-rate 2.481 27 0.02 * 0.5472 0.3448 

F0 min -2.437 27 0.8 / 3.7020 5.9698 

F0 mean 1.912 27 0.067 / 6.2957 4.1347 

F0 max 2.790 27 0.01 * 12.6457 6.4339 

 

In Table 5, an asterisk * indicates the significant difference, and the symbol / indicates no significant 

difference. According to this table, the｜Ag-A0｜is significantly and consistently bigger than /Af-A0/ 

over speaking rate and F0 max (p=0.02, 0.01 < 0.05). In addition, ｜Ag-A0｜is significantly bigger 

than｜Af-A0｜over F0 max (p=0.067 < 0.1) at confidence level 0.1. These show that Ag makes the 

significantly bigger deviation than Af. That is, when A plays as the information giver, deviation in 

entrainment is bigger than that when A plays as the information follower.  

The results in Table 4 indicate that givers make larger adjustments towards their followers, and 

followers make smaller adjustments towards their givers. When a giver makes larger adjustment and a 

follower makes smaller adjustment, the giver entrains more to the follower.  

Based on the results above, it is found that there is more entrainment when speakers are givers than 

when they are followers. Information givers entrain more than followers in conversation.  

In conversation, givers entrain more to followers. And the entrainment from givers to followers is 

prominent over Speaking-rate and F0 max which are the main features that show global entrainment as 

well.  



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5. Conclusion and Discussions 

5.1 Major Findings 

This study has accomplished two tests: Role Influence Test and Role Direction Test.  

Through the Role Influence Test, it is found that the unequal roles (information giver or follower) 

affect the entrainment degree in conversation over the prosodic features of duration and F0, and there is 

more entrainment in the conversations with unequal roles than in those with equal roles. 

Through the Role Direction Test, it is found that there is more entrainment when speakers are givers 

than when they are followers. Information givers entrain more than followers in conversation.  

In conversations, givers entrain more to followers. And the entrainment from givers to followers is 

prominent in Speaking-rate and F0 max.  

Through the Role Influence Test and Role Direction Test, this study has the following major findings 

for conversation roles and prosodic entrainment:  

1) The unequal roles (information giver or follower) affect the entrainment degree in conversation over 

the prosodic features of duration and F0, and there is more entrainment in the conversations with 

unequal roles than in those with equal roles.  

2) There is more entrainment when speakers are givers than when they are followers. Information 

givers entrain more than followers in conversation. In conversation, givers entrain more to followers. 

And the entrainment from givers to followers is prominent in Speaking-rate and F0 max.  

5.2 Discussions 

These results supply evidence for the fact that there is directive distinction in entrainment between two 

interlocutors. That is, the entrainment degree of a pair in conversation is unbalanced. We can feel the 

entrainment direction in our daily life. For instance, in Child-directed speech or motherese (Fernald et 

al., 1989), which is a term used to describe speakers’ accommodation when having conversations with 

children. It is observed that adults entrain more to children in their conversations. For another example, 

in foreign talk or foreigness (Ferguson, 1975; Zuengler, 1991; Smith, 2007), which is used when 

talking with non-native speakers, we observe that native speakers entrain more to the foreigners.  

The analyses of prosodic entrainment and role (information givers and information followers) in the 

present research support the existence of directive distinction in entrainment between two interlocutors 

as the previous studies in literature. Motivated by the hypothesis of audience design (Bell, 1984), 

which means the audience-oriented entrainment, studies have been accomplished to find out to how 

and what extent speakers adapt to their addressees (Branigan et al., 2007; Galati & Brenna, 2010). 

Kristiansen (2008) proposes that there are three possible directions in entrainment between two 

interlocutors (A, B) in conversation. One is A to B (A→B), the other one is B to A (A←B), and the 

third one is that both A and B approach to an intermediate state (A→←B). 

 



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There exists unbalanced entrainment between two interlocutors in conversation. It is necessary to do 

research on the production and perception of the unbalanced entrainment in conversation.  

Different from the analyses in previous studies, the present research has examined the entrainment 

between information givers and information followers. In this chapter, Role influence test is made to 

examine whether there is prosodic entrainment between information givers and information followers, 

based on which, Role direction test is made to find out the direction of entrainment between them, that 

is, whether information givers entrain to information followers, or followers entrain to givers. It is 

found by the present research that more entrainment is made from givers to followers.  

The present research analyzes the role in prosodic entrainment. These speakers’ roles are controlled in 

this study. Actually, the entrainment in conversation is closely related to the social factors: the status, 

age, gender, role, region, ethnicity, environment, etc. The various responses to individual’s interaction 

with the environment are assessed with reference to the individual himself; this assessment produces 

the perception of affordances which exist as a mix of an individual’s abilities, their background, and 

even the environmental features. 

Besides conversation role in this study and gender in previous studies, more social factors should be 

involved in the future study of prosodic entrainment. 

The emphasis and difficulty in research on the various social factors in entrainment is how to 

appropriately control these factors in experiments. In order to make some factors prominent, it is 

necessary to control for other factors. It is usually not easy to control several social factors in one 

experiment. Efforts should be made to produce well balanced experimental design in order to control 

some social factors in one experiment or a series of experiments. Much future work could be done in 

this direction.  

It is necessary to have discussion on the methods used in this study. What should be mentioned is the 

method used in Role Direction Test.  

In this test, a subject in a pair (A & B) has 3 speaking states (A0, Ag, and Af). Taking one side of the 

interlocutors as an example, A0 is A’s speaking state with equal roles; Ag is A’s speaking state when A 

is an information giver; Af is A’s speaking state when A is an information follower. The difference 

between Ag and Af is the change in speaking state caused by the change in A’s roles from the 

information giver to the information follower.  

Because several pairs of the subjects are asked to play two kinds of games, the interference from the 

speakers is reduced. In the present research, A0 is considered as a reference state, because this speaking 

state is produced under the equal role with the partner. The deviation between Ag and A0 is caused 

only by A’s role of a giver, and the deviation between Af and A0 is caused only by A’s role of a 

follower. Therefore, /Ag-A0/ is the deviation caused by the role of giver; /Af-A0/ is the deviation 

caused by the role of follower. The key point to make such comparisons valid is that in this analysis the 



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partner of A is not changed, and what is changed is only the role of A. And all of this attributes to the 

experiment design of the present research that several pairs of subjects participated in both games.  

However, there are limitations in the use of this method.  

Firstly, the number of subjects who participated in both games should be enlarged. In the present 

research, 14 pairs of subjects participated in both the Picture Ordering Games and Picture Classifying 

Games. Then 28 subjects made 28 conversations. One subject (A) has 3 speaking states, Ag, Af and A0 

in the Picture Ordering Games and Picture Classifying Games. For 28 subjects, there are 28 groups of 

Ag, Af and A0. Therefore, there 28 groups of｜Af-A0｜and｜Af-A0｜in the paired T-tests. 28 values 

are not the big samples in statistics. The number should be larger. That is, there should be more 

subjects who participate in both games in the future experiments.  

Secondly, quantitative analyses are needed to test post-conversation influence between the 

conversations produced by each pair in this analysis. As mentioned in the Section 3.2.1, the 

post-conversation influence of the three conversations produced by every pair of the 14 is not 

considered in this analysis, because the requirements of these games are different. In detail, after the 

first picture ordering game, the roles of two interlocutors are changed in the second picture ordering 

game, and the content of picture classifying game is quite different from the previous two. However, 

we can’t deny the existence of the post-conversation influence between conversations. Quantitative 

analyses are needed to test it in the future studies. 

5.3 Conclusions 

Conversation roles are proved to have influence on prosodic entrainment in Mandarin conversations in 

this study. More comprehensive tests are suggested to examine the influence of conversation roles on 

prosodic entrainment, and other social factors are also needed to be tested in the study of pragmatic use 

of social factors and prosodic entrainment. At the same time, the cross-linguistic comparisons of the 

conversation role’s influence on prosodic entrainment are also expected in the future. The findings of 

all these studies are of crucial importance for exploring the nature of human conversations and for 

supplying references to construction better models of human-machine interactions. 

 

Acknowledgments 

This work was supported by the National Social Science Fund of China (NSSF Grant No. 20BYY099), 

the Fund for English Teaching from Jiangsu Higher Education Association (2022WJZD006), the Fund 

for Courses Construction in Ideological and Political Education from Jiangsu Normal University 

(22KCSZkc10), and the Fund for English Lesson Construction from the School of Foreign Studies in 

Jiangsu Normal University (2022YYKC3, 2022YYKC6). 

 

 



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