PSY 120 Lecture Notes - Chartered Management Institute, Sampling Bias, Null Hypothesis
Document Summary
= a goal, systematic investigation of a true relationship (causal: theoretical/general hypothesis relationship between 2 variables independent [manipulate] and dependent [ behavior] Dependent - changes depend on the change in the independent variable: hypothesis. Specific statement about the relation between the iv and dv h1 - alternative/experiment. Mutually exclusive h1 can"t be true if h0 is true. Prove ho is false want h1 - statistically significant dull (h1 - effect) (h0 - no effect: collect and analyze data. No conclusion but some effect, not statisticly significant: share the results. To examine the possibility that there is an effect but i didn"t get it. *to be able to generalize: descriptive research. Can"t identify the cause, causal relationship: case study. Detailed observation over a long period of time of an individual, a group, or a phenomena. Not representative, no manipulation ex) genie - locked up and tied to her potty chair for a long period of time.
