This study investigates consistent and inconsistent respondents to mixed-worded questionnaire scales in large-scale assessments. Mixed-worded scales contain both positively and negatively worded items and are universally applied in different survey and content areas. Due to the changing wording, these scales require a more careful reading and…

The paper attempts to investigate the influence of textbooks on the results of international assessments such as TIMSS [Trends in International Mathematics and Science Study] and PIRLS [Progress in International Reading Literacy Study]. It tries to consider the role and impact of school textbooks on PIRLS and TIMSS performance across countries. As…