PRM Exam 3 COMPLETE2 2024

PRM Exam 3 COMPLETE2 2024 Experimental Design - ANSWER-A design in which researchers manipulate an independent variable and measure a dependent variable to determine a cause-and-effect relationship. Allows to draw claims of causation Variables - ANSWER-factors that can change in an experiment. can take on multiple values. two subsets. Independent Variable (IV) - ANSWER-- Predictor - Usually manipulated - treatment - at least two groups Causation - ANSWER-1) Temporal precedence 2) Internal validity 3) Covariance Dependent variable (DV) - ANSWER-- Outcome variable - Measured Covariance - ANSWER-IV associated with DV - Need to have multiple levels of the IV so we can compare the relative level of the DV - need at least one or more comparison groups Comparison groups - ANSWER-Control, treatment, placebo Control Group - ANSWER-The neutral or no treatment group