Examlex
A pretest refers to measuring the dependent variable prior to changing the independent variable.
Open-Ended
A type of question or query in surveys and research allowing for unrestricted responses, inviting elaboration and subjectivity.
Closed-Ended
Referring to questions or questionnaires that provide specific responses options, limiting participants' answers to those options.
Significant Social Problem
A societal issue that is pervasive, persistent, and causes harm to individuals or communities, requiring intervention.
Interviewer Bias
The effect that the presence or action of an interviewer may have on the response of the interviewee, potentially skewing results.
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