A-level psychology: research methods

A-level psychology: research methods experimental method - Answer ️️ -Involves manipulation of IV to measure the effecf on the DV. It has a casual relationship. control condition - Answer ️️ -The thing that stays the same (unchanged) independent variable - Answer ️️ -variable that is manipulated Dependant variable - Answer ️️ -what is being measured (caused by IV) Operationalising - Answer ️️ -Making the IV testable and the DV measurable extraneous variable - Answer ️️ -Factors other than the IV that might affect the DV if it's not controlled. EVs are unwanted variables that add error to the experiment. Situational variables - Answer ️️ -Features of a research situation that may influence participants behaviour if it's different for different conditions. Participant variables - Answer ️️ -Any characteristic of individual participants that may influence the study (age, gender, etc) Only acts as an EV when an independent groups design is used. Investigator effects - Answer ️️ -Any effect of the investigators behaviour on the research outcome (DV) demand characteristics - Answer ️️ -participants change their behavior based on what they perceive the experiment to be about Order effects - Answer ️️ -differences in research participants' responses that result from the order (e.g., first, second, third) in which the experimental materials are presented to them Aim - Answer ️️ -Identifies purpose of investigation. It's an expression of what the researcher is trying to find out from conducting the experiment.