SOCB05H3 Lecture Notes - Dependent And Independent Variables, Random Assignment
Document Summary
Defining social experiments the researcher deliberately introduces changes into the environment of subjects and observes or measures the effects of the changes introduce a sort of change: observe tests for causality. Types of preexperimental research: the one shot case study the dependent variable is measured along all subjects. A single group of subjects is exposed to an experimental treatment. Not recommended for use in social research. Suppose i want to know if prof comments effect students marks independent; first mark: dependent; second mark. Applied to all subjects: post test. Types of preexperimental research: the one group pretest. Posttest design the dependent variables is measured among all subjects. All subjects are exposed to an experimental treatment the dependent variable is measured among all subjects. Types of preexperimental research: the static group comparison. Subjects are randomly assigned to treatment and control groups the dependent variable is measured among all subjects using a pre-test (baseline)
