PSYCH 115 Lecture Notes - Lecture 29: Random Assignment, Confounding, Psych
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The subjects in an experiment who are exposed to the treatment (independent variable) The group being studied and compared to the control group (but) Are not exposed to the independent variable. Results are compared to those of the experimental group. Randomly select a random sample - every member of the population being studied should have an equal chance of being selected for the study. Random assignment - every subject in the study should have an equal chance of being placed in either the experimental or control group. Randomly select a random sample then randomly assign that sample to the experimental and control groups. Randomization helps avoid false results & bias. Independent variable (iv) the controlled factor in an experiment. Hypothesized to cause an effect on another variable. What is the researcher what is the researcher measuring or looking for in this study? . What do the researchers hope will cause the dv in this study? .
