PSYCO105 Lecture Notes - Internal Validity, Brain Size, Akira Haraguchi
15 Sep 2013
School
Department
Course
Professor
Document Summary
Topic 1: methods (con"t) & topic 2: psychological disorders. Experimentation is the only way to find causal relationship: must be conducted in a controlled environment. Main thing is to manipulate such variables in this setting and see what effects arise from it. Manipulation the act of created artificial variation; in experimentation, it is for the sole purpose of finding causal relationships. Step 0: (this step is not included in the textbook but is critical!) Make sure you know your independent and dependant variables as well as what and in what units you will be measuring in. Decide on a design: between subjects design: one control group and one treatment" group, within-subjects design: the participants act as both the control group and the. Step 1: manipulation of the iv (independent variable) Example: give a drug to one group ( treatment" group) and a placebo to the other group (control group)
