111 Exploring the integration of modern technologies in the teaching of physical science in Lesotho Abstract The aim of the paper is to explore the knowledge base of high school physical science teachers, from selected high schools in Lesotho, regarding the integration of information and communication technologies (ICTs) into the curriculum. The new physical science curriculum in Lesotho requires the use of ICTs for teaching. The teachers’ use of ICTs was explored through a questionnaire based on the technological pedagogical content knowledge model (TPACK). Data were analysed using the statistical analysis software (SAS) and the results showed that 77% of the teachers used ICTs for teaching, while 80% used them for non-teaching activities. The mean score for teachers’ TPACK was 2.88. This score is below the average of three for the Likert points of the items on teachers’ TPACK, which was set as the acceptable level for this paper. Therefore, the study concludes that Lesotho teachers do use ICTs for teaching physical science even though their TPACK may be below average. Their low TPACK may be an indication that they used ICTs to get more information about the content, rather than for delivering the lessons. There is thus an urgent need to increase the support for teachers to maximise the use of ICTs for teaching. Keywords: ICTs, ICT integration, TPACK, physical science, constructivism 1. Introduction Scholars have already established the importance of ICTs for teaching (Abdullahi, 2014; UNESCO, 2014). Some research also suggests that most teachers are optimistic about the integration of ICTs as a strategy to improve instruction (Aslan & Zhu, 2016; Peralta & Costa, 2007). As learners, in many countries, are often surrounded by modern technologies, there is a need for educators to take advantage of ICTs in the school and classroom settings. However, in practice some teachers struggle to translate their positive attitudes and availability of ICT infrastructure into actual ICT integration despite the improvements made towards their technical training on ICTs (Rastogi & Malhotra, 2013; Zehra & Bilwani, 2016). As a result, it is important to Ms Lucia Nthooa Lisene University of the Free State, School of Education Studies Dr Thuthukile Jita University of the Free State, School of Education Studies DOI: http://dx.doi. org/10.18820/2519593X/pie. v36i1.8 ISSN 0258-2236 e-ISSN 2519-593X Perspectives in Education 2018 36(1): 111-127 © UV/UFS http://dx.doi.org/10.18820/2519593X/pie.v36i1.8 http://dx.doi.org/10.18820/2519593X/pie.v36i1.8 http://dx.doi.org/10.18820/2519593X/pie.v36i1.8 112 Perspectives in Education 2018: 36(1) continue to examine teachers’ knowledge on ICT integration in order to collect the evidence required for development of improvement strategies. Some of the barriers of ICT integration as identified by teachers include lack of confidence, insufficient time, inappropriate software, inaccessibility of ICT resources, limitations of the curriculum, insufficient support and lack of knowledge related to ICT integration, among others (Alkahtani, 2016; Prasad, Lalitha & Strikar, 2015). Chigona, Chigona and Davids (2014) assert that the context of the school can also be a barrier to ICT integration because it can discourage teachers from using ICTs, such as when they are teaching very large classes. Ward (2003), however, believes that it is sometimes the teachers who use their school contexts to make limited choices and relates the problem to inadequate institutionalisation. Teachers with positive attitudes are more likely to overcome some of these barriers, either individually or in collaboration with others. Consequently, in the absence of conclusive evidence on what hinders ICT integration in the classrooms especially in developing countries, it is important to continue with investigations related to ICT integration in various contexts. This paper therefore examines teachers’ knowledge related to ICT integration into physical science in Lesotho. Although a few studies have been conducted in Lesotho on the subject of ICT integration (Chere-Masopha, 2011; Kalanda & De Villiers, 2013; Ntoi, 2007; Olatokun & Ntemana, 2015), there are gaps in terms of their focus and/or approaches. For instance Chere-Masopha (2011), explored ICT integration by secondary level teachers in general with no specific subject focus. ICT-integration is likely to vary based on the nature of the subject, the teaching thereof, and perhaps the availability if ICT-related material in that subject. The focus on physical science, specifically, is thus important in the context of the country’s curriculum framework that specifically advocates for such integration. Similarly, Olatokun and Ntemana (2015) studied ICT integration by university lecturers, but neither focused on specific subjects nor on the prescribed secondary school curriculum. Methodologically, Kalanda and De Villiers (2013) approached their study through a participatory action research design while Ntoi (2007) conducted a qualitative case study. The present article reports on a quantitative study that focuses on ICT integration in the high school physical science subject area. 2. Research objectives The study aimed at exploring the types of knowledge of Lesotho physical science teachers in relation to the integration to the integration of information and communication technologies (ICTs) into the curriculum. We examined the ICTs used and how was it used. The research tested the null hypothesis that high school teachers in Lesotho do not have the types of knowledge required for the integration of ICTs in their teaching of physical science. 3. Research questions The following research questions were explored: 1. How physical science teachers in Lesotho high schools use ICTs for teaching? 2. Which ICTs do they use? 3. What type of knowledge do they have with regard to the integration of ICTs in their subject? 4. Background to the study The lack of knowledge on ICT integration into the daily instructional activities in schools is a global challenge (Lau & Sim, 2008). In Lesotho, the officials in the Ministry of Education and Training (MoET) intertwine this lack of knowledge with the shortage of technical support 113 Lisene & Jita Exploring the integration of modern technologies in the teaching of physical science ... for teachers (Farrell, Isaacs & Trucano, 2007). Part of the reasons may include the lack of knowledge about the status of ICT integration in the country and/or lack of supervisory capacity in the country. The role of ICTs in supporting growth and development in Lesotho has been enshrined in several policy pronouncements (Morgan-Jarvis, 2015). For instance, the policy on the use of ICTs, which was developed in 2005, earmark learning institutions as some of the main role players in the implementation of the ICT policy (Lesotho government, 2005). The aims of the national vision 2020, which is the basis for the ICT policy, include ensuring a strong foundation for technology research and development in the country (Lesotho government, 2002). This aim emphasises a strong link between science and technology curricula, which is part of the reason for conducting the study on how teachers integrate technology into physical science. The examinations council of Lesotho (ECoL) expects physical science teachers to integrate ICTs when they deliver content knowledge (ECoL, 2012). The physical science syllabus forms part of the new Lesotho general certificate of secondary education (LGCSE) curriculum which demands acquisition of technological and communication skills by the learners. The relatively new physical science syllabus, which dates back to 2012, is the focus of this paper. The paper explores how teachers have responded to the call by the LGCSE curriculum for the use of ICTs in the teaching and learning of physical science. The literature and framework which form basis of the paper will be discussed first, followed immediately by the methodology, and finally by the discussion of the results and conclusions respectively. 5. Theoretical framework and literature review This paper views the concept of ICT integration through two lenses, namely the model of constructivism learning theory in e-learning environments and the technological pedagogical content knowledge (TPACK) model. The learning theories such as behaviourism, humanism and constructivism, among others, have consistently influenced the designing of instruction and as such, designs that embrace theories of learning can potentially have a positive impact on ICT integration (Koohang, 2004). The model of constructivism learning theory in e-learning environments is a learner-centred strategy for integrating ICTs into instructional activities aimed at encouraging learners to use their experiences to formulate new knowledge in an active manner (Koohang et al., 2009; Wang, 2008). The TPACK model has a potential to explain the complex nature of ICT integration into teaching, and allows teachers to reflect on their own practice for professional development (Messina & Tabone, 2012; Shu, 2016). 6. Constructivism learning theory in e-learning environments Koohang developed the model of constructivism learning theory in e-learning environments in 2009 with the aim of explaining how teachers can involve learners in the process of knowledge construction (Koohang et al., 2009). Constructivism advocates for learners to be allowed to use their existing knowledge to actively create new knowledge (Vygotsky, 1978). Cognitive constructivism focuses on the ability of the individual learners to interpret their own experiences in their formulation of new knowledge, thus being engaged in their own learning (Wan, 2014; Wang, 2008). Social constructivism emphasises teaching in an environment that is conducive for learning contextually and authentically through cooperation, interaction and communication (Lever-Duffy & McDonald, 2011). ICTs provide such an environment by enabling the learners to learn in a collaborative setting where they interact amongst themselves and with subject experts. Drijvers et al.’s (2013) and Mouza et al.’s studies (2014) were 114 Perspectives in Education 2018: 36(1) underpinned by constructivism as their framework and they confirm that research continues to view constructivism as a suitable theory for ICT interaction. The model consists of instructional design elements and assessment elements as its main components. There are two types of design elements. These are the fundamental elements that deal with individual aspects of learning strategies such as exploration, high-order thinking skills, learners’ pre-knowledge, authentic examples and scaffolding, as well as collaborative elements that include social interaction and cooperation (Koohang et al., 2009). The diagram also illustrates assessment, which can be performed by the learners on themselves or in groups as well as by the teachers. The model is diagrammatically depicted as follows: Figure 1: Constructivism elements and e-learning design learning activities; Adapted from Koohang et al. (2009:95) 6.1 Technological pedagogical content knowledge (TPACK) model The TPACK model was proposed by Mishra and Koehler in 2006 to provide a framework through which people could deal with complications of ICT integration after many years of empirical research (Koehler & Mishra, 2008). Teaching is intricate as it is based on various types of knowledge, including understanding the educational programme and the learners’ ways of thinking and learning (Chai et al., 2013; Mishra & Koehler, 2006). The type of knowledge that an individual has is highly contextualised because it affect culture, socio-economic status and ability to plan, among other factors (Harris & Hofer, 2011). The surfacing of digital ICTs forms part of the contemporary context and hence necessitated the addition of technological knowledge (TK) by Mishra and Koehler to Shulman’s original idea of pedagogical content knowledge (PCK). Consequently, the TPACK model has been widely used to explore the use of ICTs by pre-service and in-service teachers (Maher, 2013). 115 Lisene & Jita Exploring the integration of modern technologies in the teaching of physical science ... However, most TPACK studies observed pre-service teachers rather than in-service teachers. Most TPACK studies also dealt with the integration of ICTs into general teaching rather than teaching of individual subjects (Wu, 2013). This paper thus focused on ICT integration into physical science, in particular. Figure 2 is a representation of the contexts and the types of knowledge that they influence. Figure 2: Technological pedagogical content knowledge (TPACK) model. Adapted from Koehler et al. (2013:3) The three circles represent the main categories of knowledge i.e., technological knowledge (TK), pedagogical knowledge (PK) and content knowledge (CK). The main categories of knowledge intersect in pairs to form three more types of knowledge, namely technological pedagogical knowledge (TPK), technological content knowledge (TCK) and pedagogical content knowledge (PCK). All three main categories interconnect to form the technological pedagogical content knowledge (TPACK). The literature explored in this section confirms that knowledge is highly dynamic and as such requires to be regularly interrogated. The circumstances that surround us influence the type of knowledge we develop. Both models outline the application of the knowledge of ICTs for teaching. According to Chai et al. (2011), TPACK is the knowledge of enhancing learning of a particular content by applying suitable pedagogical and technological methods. Koohang and Harman (2005) define e-learning as the process of imparting knowledge through technology. Both models, therefore, emphasise the appropriate use of pedagogy and technology to deliver the content of the subject. 7. Methodology 7.1 Research approach, paradigm, design and process The present study followed the quantitative approach, a deductive paradigm guided by post- positivism to allow the researchers to be objective, logical and systematic when testing the hypothesis (Leedy & Ormrod, 2013; Higgs, 1996). The descriptive non-experimental survey 116 Perspectives in Education 2018: 36(1) design, which was adopted enabled the researchers to focus on exploring the knowledge of a large population of teachers through only a small sample because of its flexibility and adaptability (Mulwa et al., 2012). This principle further enabled the description of ICT integration without manipulating the school contexts or explaining the cause-effect relations between teachers’ knowledge and teachers’ age, teaching experience, gender or place of work (Johnson & Christensen, 2014). 7.2 Population and sample of the study The target population consisted of 138 high schools, which offer physical science as a subject (ECoL, 2013). A sample of 23 schools and 76 teachers was selected from five of the ten districts of Lesotho, namely Mafeteng, Maseru, Berea, Leribe and Mokhotlong. The districts consist of places in the highlands, lowlands, urban areas as well as rural areas for a fair representation of the population schools in terms of their location that may affect availability of technological resources. Leedy and Ormrod (2005) suggest that if the population size is greater than 100 but around 500, then a sample size should be 50% of the population. Based on this argument, the sample intended for the present study consisted of 74 schools, but the response rate was low and thus the study resulted in 23 schools. 7.3 Sampling techniques A random cluster sample of schools was selected through StatTrek table of random numbers by giving the schools numbers that were fed into the table to choose the stipulated number of school (StatTrek, 2016). A random sample has the accuracy, efficiency, validity and reliability required for generalising the conclusions of the study to the entire population (Mathers, Fox & Hunn, 2009). Random sampling minimised costs and time while still ensuring reasonable representation of the population (Creswell, 2013). The cluster method was preferred because the individual teachers were located in separated places that would otherwise be difficult to reach. The basic one-stage cluster method was chosen because each school had only few physical science teachers who were all asked to participate. 7.4 Data collection and analysis The respondents filled in a questionnaire consisting of 29 closed-ended items. The data collected included the teachers’ demographic details, knowledge and use of ICTs. Items 1 to 23 were based on the TPACK model with a 5-point Likert scale ranging from 1=No knowledge at all to 5=Complete knowledge. Items 24 up to 29 were employed to establish whether the teachers were integrating ICTs into teaching, also with a 5-point scale with the rating range from 1=None at all to 5=Always. The questionnaires were delivered to the schools and then collected as soon as they had been filled in. Some forms were not completed in full, which resulted in inclusion of the last weighting (11=no response) for purposes of data analysis. Percentages of the responses to the biographical questions were calculated using the statistical analysis software (SAS) frequency procedure (SAS, 2013). This software seems to be widely used in recent years particularly in research related to ICT integration (Alkahtani, 2016). Descriptive statistics were calculated for the mean scores for the entire sample (‘All’) and by gender, age group, teaching experience, type of school and location of school through the SAS tabulate procedure (SAS, 2013). The respondents were grouped into various categories of the biographical variable in question because all the biographical variables were categorical. The mean for the different domains (types of knowledge) of the demographic groups was contrasted through one-way analysis of variance (ANOVA) using 117 Lisene & Jita Exploring the integration of modern technologies in the teaching of physical science ... the SAS general linear model procedure (SAS, 2013). The sum score in question was the dependent variable whereas the stipulated biographical variable was the single factor in the ANOVA model. 7.5. Reliability and validity A pilot study was conducted on ten teachers and the required adjustments were made the questionnaire to facilitate a high response rate and reduce the errors for reliability and validity. The effect of confounding variables on the teachers’ knowledge and use of ICTs was explored to augment the internal validity. The external validity was improved by using a random sample (Bhattacherjee, 2012). The Cronbach’s alphas between 0.69 and 0.90 obtained indicated that all the items were reliable for measuring teachers’ knowledge (Tavakol & Dennick, 2011). These alpha coefficients are comparable with those obtained by Schmidt et al., (2009) which ranged between 0.82 and 0.92. 7.6 Ethical considerations The University of the Free State granted the ethical clearance for this study. Permission for teachers’ participation in the study was sought in writing from the Ministry of Education and Training and from the principals. The volunteers were requested to complete a consent form emphasising the significance of the study and the respondents’ right to participate in and/or withdraw from the study at any time (Leedy & Ormrod, 2005). The respondents were assured that they would not be exposed to any possible harm. Privacy and confidentiality were observed by using numbers on the research instruments and keeping all the completed questionnaire forms in a safe place (Johnson & Christensen, 2014). 8. Results and discussions In this section, the results are presented in tables and charts then discussed. The demographic details of the participants are presented first, followed by the discussion of the results on the use of ICTs and the knowledge of teachers related to the integration of ICTs, respectively. 8.1 Demographic data Table 1 below shows the demographical data of the 76 participants from the 23 schools that constituted the sample used in the paper. Table 1: Teacher’s demographic data Age (missing = 3) Gender (missing = 5) Experience in number of years (missing = 4) Type of school (missing = 3) Location of school (missing = 4) Group 20-29 30-39 40+ male female 0-4 5-14 15+ Government Non-government Lowlands Highlands % 20.6 53.4 26.0 69.0 31.0 27.8 51.4 20.8 12.3 87.2 88.9 11.1 Results in table 1 illustrate that the number of males (69.0%) was higher than that of females (31.0%). The following groups of teachers were also larger than the rest of the groups within the same variable; teachers aged between 30 and 39 (53.4%), teachers with 5 to 14 years 118 Perspectives in Education 2018: 36(1) of experience (51.4%), teachers from non-government schools (87.2%) and teachers from schools in the lowlands of the country (88.9%). 8.2 The use of ICTs The following table illustrates the results of the teachers’ use of ICTs including the means for how often they use the ICTs. Table 2: Teachers’ use of ICTs Category Results Teaching activities Non-teaching activities Use of ICTs Positive 77% 80% Negative 33% 20% Frequency Mean 2.5 3.4 S. dev. 1.08 1.15 The results in table 2 show that 77% of the teachers used ICTs for teaching and 80% used them for non-teaching activities. There were slightly more teachers who used ICTs for non- teaching activities than those who used them for teaching. The mean of the Likert points is 3 which is the sum of all five points divided by 5 (1+2+3+4+5=15÷5=3). This was set as the acceptable level of responses for this paper (Nwanekezi, Onyekuru & Oragwu, 2011). The mean scores for the frequency of the use of ICTs were 2.5 for teaching activities and 3.4 for non-teaching activities. The mean for teaching activities was below the acceptable level of responses (M=3), while the mean for non-teaching activities was slightly above the acceptable level. Both means can be rounded off to Likert point 3 which represents “sometimes, about once a week”. These findings indicate that teachers employ some technological skills inside and outside their classrooms. However, the fact that teachers used ICTs more for non-teaching activities than they do for teaching itself and that they only use them occasionally may be regarded as an indication that they use the technologies to perform their traditional duties (Haddad, Ferreira & Faria, 2014). For instance, they may be using the Internet to strengthen their content knowledge rather than for presenting it to their learners. The standard deviations were 1.08 for teaching activities and 1.15 for non-teaching activities (table 2). These results demonstrate that in both cases the results were close to the mean and therefore the two extremes on the questionnaire (viz. 1=None at all or 5=daily), were not common. These results were to be expected, as Kalanda and De Villiers (2013) observe that the use of ICTs in Lesotho is increasing. 119 Lisene & Jita Exploring the integration of modern technologies in the teaching of physical science ... The figure (3) indicates the types of technologies used and the frequency of their use.   48 17 12 42 21 11 62 10 67 60 Number of  teachers  frequency of use of technologies Figure 3: Technologies used by teachers (n = 76 but the teachers chose more than one technology) Figure 3 shows the numbers of teachers using various technologies as 67 for mobile phones, 62 for the Internet and 60 for computers. Ten teachers used digital cameras, 11 teachers used scanners and 12 teachers used CDs. This shows that mobile phones, the Internet and computers were among the technologies that were mostly used in schools, while digital cameras, scanners, CDs and DVDs were among those that were rarely used. The rest of the technologies were used in moderation. Digital cameras were probably not widely used because smart phones and computers have built-in cameras, which are more convenient to use. CDs and DVDs were probably replaced with flash drives, which are more durable. This also demonstrates that teachers probably used mobile phones more than computers to access the Internet. This was to be expected because teachers have more access to their mobile phones than to the school computers. They access the Internet and other services more easily through their phones, thus reducing the problem of a lack of access to ICT resources (Mulwa et al., 2012). 8.3 Teachers’ knowledge The seven domains of knowledge that we explored are technological knowledge (TK), pedagogical knowledge (PK), content knowledge (CK), technological pedagogical knowledge (TPK), pedagogical content knowledge (PCK), technological content knowledge (TCK) and technological pedagogical content knowledge (TPACK). Figure 4 and table 3 show the descriptive results for various domains of teachers’ knowledge. Figure 4 shows the overall means and standard deviations while table 3 show the means and standard deviations for different groups of teachers. 120 Perspectives in Education 2018: 36(1)   3.37 3.51 3.55 3.12 3.89 2.93 2.88 0.96 0.94 0.81 1.04 0.76 1.11 0.95 0 1 2 3 4 5 Knowledge domains MEAN Sdev Figure 4: Overall descriptive results (n=76) The descriptive statistics (figure 4 and table 3) indicate that the standard deviation values ranged from 0.4 to 1.6. These results demonstrate more similarities than differences within and between the groups of teachers because the standard deviations were low. The teachers who have taught for 15 years or more had the highest standard deviations of 1.4 to 1.6 for the types of knowledge that integrate technology, namely TPK, TCK and TPACK (table 3). This variation indicates that some of the teachers may consider themselves technophobic because they had not received formal technological training (Chigona et al., 2014). The overall mean scores for all domains of knowledge ranged between 2.88 and 3.89 (figure 4). These scores are above the acceptable level of 3 except for the scores of TCK (M=2.93) and TPACK (M=2.88). The mean scores for CK and PCK range between 3.3 and 4.3 (figure 4 and table 3), and hence were above the acceptable level for all groups of teachers. This means that most of the teachers had more than the moderate level (Likert point 3) of CK and PCK. The mean score for PCK was the highest at 3.89 and the mean score for TPACK was the lowest at 2.88 (figure 4). The mean score for female teachers (M=2.70) was the only mean lower than the overall score for TPACK. The high score for PCK and the low score for TPACK corroborate Messina and Tabone’s (2012) findings viz. 4.28 and 2.88 respectively. 121 Lisene & Jita Exploring the integration of modern technologies in the teaching of physical science ... Table 3: Descriptive statistics for various groups of teachers Va ri ab le Group of teachers TK PK CK TPK PCK TCK TPACK M SD M SD M SD M SD M SD M SD M SD G en de r Female (n=22) 3.2 0.9 3.5 1.2 3.6 1.0 2.9 1.2 4.2 0.7 3.0 1.0 2.7 1.0 Male (n=49) 3.5 1.1 3.6 0.3 3.5 0.7 3.2 1.0 3.7 0.7 2.8 1.2 2.9 0.9 A ge 20-29 (n=15) 3.9 0.6 3.9 0.7 3.5 0.7 3.2 0.9 3.8 0.7 3.5 1.0 3.2 0.6 30-39 (n=39) 3.5 1.0 3.6 1.0 3.5 0.9 3.1 1.1 3.8 0.8 2.9 0.9 2.8 0.9 40+ (n=19) 2.9 1.1 3.3 1.2 3.6 1.0 3.0 1.3 4.1 0.8 2.5 1.6 2.9 1.4 Ye ar s of te ac hi ng ex pe ri en ce 0-4 (n=20) 3.6 0.9 3.6 0.8 3.5 0.7 3.2 0.9 3.8 0.7 3.1 1.0 3.1 0.7 5-14 (n=37) 3.4 1.0 3.6 1.0 3.4 0.8 3.1 1.1 3.8 0.8 3.0 1.1 2.8 0.9 15+ (n=15) 3.0 1.2 3.2 1.2 3.8 1.1 3.1 1.4 4.3 0.6 2.7 1.6 2.9 1.5 Ty pe o f s ch oo l Government (n=9) 3.4 0.9 3.4 1.3 3.4 0.9 3.2 0.5 3.9 1.0 3.1 0.7 3.0 0.8 Church (n=59) 3.4 1.0 3.5 0.9 3.6 0.8 3.1 1.1 3.9 0.7 2.9 1.2 2.9 1.0 Community (n=5) 3.7 0.6 3.7 0.9 3.6 0.8 2.9 0.6 4.0 0.5 2.6 1.0 3.2 0.7 Lo ca tio n of s ch oo l Lowlands (n=64) 3.4 1.0 3.5 1.0 3.6 0.9 3.2 1.1 3.9 0.8 3.0 1.1 2.9 1.0 Highlands (n=8) 3.6 1.2 3.7 0.6 3.6 0.4 3.2 1.1 4.0 0.9 3.3 1.4 3.3 1.0 Rural areas (n=29) 3.6 1.0 3.6 0.8 3.4 0.5 3.3 1.0 4.0 0.8 3.5 1.4 3.4 0.7 Urban areas (n=43) 3.4 1.2 3.6 0.8 3.8 0.7 3.1 1.1 3.9 0.8 2.8 1.2 2.8 1.1 The PCK mean scores for various groups of teachers ranged between 3.74 and 4.25 (table 3) and they were the highest. This shows that teachers had more PCK compared to the other types of knowledge. This is surprising because the teachers had to master content and pedagogy as the fundamental domains of knowledge before they could learn to integrate them (Ndongfack, 2015). The fact that PCK, CK and PK had the highest means (3.89, 3.55 122 Perspectives in Education 2018: 36(1) and 3.51 respectively) as shown in figure 2 indicates that teachers’ professional development programmes probably focussed on content and pedagogy (Barujel et al., 2013). The results in figure 4 also show that TK had a mean score of 3.37 while the mean scores for TPK, TCK and TPACK were 3.12, 2.93 and 2.88, respectively. TK had a higher mean than the types of knowledge that require integration of technology i.e. TPK, TCK and TPACK. This means that teacher education programmes may have focussed more on technology itself than on its integration into other types of knowledge (Koehler et al., 2013). All groups of teachers had means above the acceptable level of 3 for TK (table 3), with the exception of teachers aged 40 and above (M=2.9). This suggests that most teachers have acquired satisfactory levels of technological training, either through pre-service or in-service education. It also suggests that the groups of teachers with a higher age were trained before technologies could be integrated into higher learning because technology is a relatively new phenomenon in developing countries (Khan, 2014). The mean scores for TCK and TPACK were higher for rural schools (TCKM=3.5, TPACKM=3.4) than for schools in urban areas(M=2.8 for both), the feature that disputes Kalanda and De Villiers’ (2013) claim that rural school teachers in Lesotho lag behind in terms of integrating ICTs. 8.4 ANOVA for the hypothesis The p-values varied from 0.0130 to 0.9358 (table 4). The p-values for most domains of teachers’ knowledge (33 out of 35) were above the significance level of α=0.05 set for this paper (Bhattacherjee, 2012). These confirm a greater possibility that the findings obtained were a result of random variation and that there were no significant differences between different variables and groups of teachers (Aslan & Zhu, 2016; Gelman, 2013). We therefore do not have sufficient evidence to reject the null hypothesis that high school teachers in Lesotho do not have the types of knowledge required for the integration of a variety of ICTs in their teaching. However, two of the 35 values are below 0.05. These are the TKage (p=0.013) and PCKgender (p=0.0218). These p-values indicate a significant variation between the TK mean scores of different age groups of the teachers and between males and females in terms of their PCK (Greenland et al., 2016). The PCK mean scores for males (M=3.7) and for females (M=4.2) are both above the acceptable level of 3, as a result they may not be a point of concern. However, the TK mean scores for teachers aged 40 and above (M=2.9) may require some consideration. Table 4: P-values for teachers’ knowledge domains Domain of knowledge Probability values (p-values): Age Gender Experience School type School location TK 0.0130 0.1766 0.2942 0.7107 0.7363 PK 0.5337 0.3785 0.5226 0.9156 0.8778 CK 0.7517 0.4946 0.4886 0.7999 0.7009 TPK 0.9358 0.2452 0.4854 0.8792 0.9194 123 Lisene & Jita Exploring the integration of modern technologies in the teaching of physical science ... Domain of knowledge Probability values (p-values): Age Gender Experience School type School location PCK 0.2795 0.0218 0.2207 0.9135 0.8925 TCK 0.1765 0.5489 0.6834 0.7080 0.4978 TPACK 0.4624 0.3530 0.2253 0.7478 0.5447 9. Conclusion Many physical science teachers in selected high schools of Lesotho use ICTs, even though they use them irregularly. Their use of ICTs for non-teaching activities is slightly higher than their use of ICTs for teaching. The teachers’ ability to integrate technological knowledge into other types of knowledge needs to be improved for effective implementation of the new physical science curriculum, which demands the integration of ICTs. Measuring ICT integration into education is important because the amount and type of intervention required depends on the existing level of technological application (Du Toit, 2015). The lack of ICT assessment can lead to provision of far less assistance than is demanded. Mobile networks have increased Lesotho’s telephone density from 1% to 96% in the past 16 years (Morgan-Jarvis, 2015). The education system has to take advantage of this fact by promoting the integration of ICTs – especially mobile phones – into the curriculum. Mobile phones and other hand-held devices provide teachers with more accessible means of surfing the Internet. This paper highlights the technologies that are widely used so that they can be promoted. The findings presented in this paper should be handled cautiously because of a few limitations. Firstly, this study was a survey characterised by a low response rate, thus a small sample. Secondly, schools were sampled rather than the individual teachers and this may have affected the sample representation of the population. However, the study is rendered resourceful, with valid findings, because the sample was representative enough of the teachers, covering five of the ten districts of Lesotho. The quantitative nature of the study also provided for a wider coverage of the population for more ideas and provision of a basis for more research. For instance, more research can be undertaken to examine how the use of mobile phones may be adopted in schools. 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