Surveys:Surveys are a research method that uses questionnaires or interviews to collect data from a sample of individuals to gain insights about a larger population.
Self-Report Measures: Self-report measures are research instruments where participants provide information about their own thoughts, feelings, or behaviors through questionnaires or interviews.
Item Response Theory: Item response theory is a statistical framework used to analyze the performance of individual items within a questionnaire or survey, helping to ensure the reliability and validity of the measure.