AP PSYCHOLOGY

Detailed explanation-1: -A questionnaire is a self-report data-collection instrument that each research participant com-pletes as part of a research study. Researchers use questionnaires to obtain information about the thoughts, feelings, attitudes, beliefs, values, perceptions, personality, and behavioral intentions of research participants.

Detailed explanation-2: -Self-reporting is a common approach for gathering data in epidemiologic and medical research. This method requires participants to respond to the researcher’s questions without his/her interference. Examples of self-reporting include questionnaires, surveys, or interviews.

Detailed explanation-3: -What is self-report? Self-report uses participants’ verbal responses to assess their cognition, emotion, motivation, behavior, or physical state. When thinking about self-report, what often comes to mind first is structured questionnaires measuring some kind of personality trait.

Detailed explanation-4: -There are four main types of Quantitative research: Descriptive, Correlational, Causal-Comparative/Quasi-Experimental, and Experimental Research. attempts to establish cause-effect relationships among the variables.

Detailed explanation-5: -The MMPI. One of the most commonly used self-report tools is the Minnesota Multiphasic Personality Inventory (MMPI) for personality testing. 2 This inventory includes more than 500 questions focused on different areas, including behaviors, psychological health, interpersonal relationships, and attitudes.