McMaster PSYCH 1X03 | WITH COMPLETE SOLUTION

McMaster PSYCH 1X03 | WITH COMPLETE SOLUTION anectodal evidence - Evidence from others or from personal experiences Experiment - Tool used to measure the effect of the independent variable on the dependent variable Within-Subject Design - In an experiment, each participant is their own control group. Repeat task while manipulating independent variable. Cons: Time consuming, costly, and Practice Effect Practice Effect - Improvement of performance caused by experience, repetition and familiarity Random Assignmnent - Randomly assigning participants to control or experiment groups to reduce bias Sample - Group that represents population and participates in experiment Population - General people we are learning about Random Sample - Selecting participants from a population at random for an experiment to reduce bias Confounding Variable - Variable other than the independent variable that affects results Placebo Effect - Participants demonstrate a response unrelated to the therapeutic effect when they know what the expected results are Participant Bias - Actions by the participant that effect results, not including the independent variable Experimenter Bias - Actions by the experimenter that promotes the results they hope to see thus causing