This study aimed to investigate the impact of scaffolding prompt questions on learners' self-regulated learning about the Nature of Science (NOS) in a hypermedia environment. In this study, mixed methods research design was employed. Sixty-four pre-service science teachers (n=64) were randomly assigned to the experimental group (N:33, scaffolding…

Findings derived from self-reported, structured survey questionnaires are commonly used in evaluation and applied research to inform policy-making and program decisions. Although there are a variety of issues related to the quality of survey evidence (e.g., sampling precision), the validity of response processes--how respondents process thoughts…