id	keyword
stem-8582	solving
stem-8582	confidence
stem-8582	problem
stem-8582	mathematics
stem-8582	students
stem-8582	self
stem-8582	performance
stem-8582	skills
stem-8582	study
stem-8582	learning
stem-8582	education
stem-8582	grade
stem-8582	school
stem-8582	journal
stem-8582	abilities
stem-8582	respondents