Likert scale, rating system, used in questionnaires, that is designed to measure people’s attitudes, opinions, or perceptions. Subjects choose from a range of possible responses to a specific question or statement; responses typically include “strongly agree,” “agree,” “neutral,” “disagree,” and| Encyclopedia Britannica
A statistical case against points-based grading| gradingforgrowth.com
Quantitative data involves measurable numerical information used to test hypotheses and identify patterns, while qualitative data is descriptive, capturing phenomena like language, feelings, and experiences that can't be quantified.| Simply Psychology
A questionnaire in research is a structured set of questions designed to gather information from respondents. It's used to collect quantitative or qualitative data on subjects' opinions, behaviors, or characteristics.| Simply Psychology
In psychology research, validity refers to the extent to which a test or measurement tool accurately measures what it's intended to measure. It ensures that the research findings are genuine and not due to extraneous factors. Validity can be categorized into different types, including construct validity (measuring the intended abstract trait), internal validity (ensuring causal conclusions), and external validity (generalizability of results to broader contexts).| Simply Psychology