Overview
Variables are fundamental components in psychological research, allowing researchers to explore relationships and effects. Understanding the different types of variables—independent, dependent, control, and confounding—is crucial for designing effective studies. Each type plays a unique role in ensu...
Key Terms
Example: In a study on sleep, the amount of sleep given to participants is the independent variable.
Example: In the sleep study, the participants' performance on a test is the dependent variable.
Example: In the sleep study, the environment where the test is conducted is a control variable.
Example: If participants are tested at different times of day, time of day could be a confounding variable.
Example: Defining 'stress' as the score on a specific anxiety questionnaire.
Example: A valid test of intelligence accurately assesses cognitive abilities.