82:161 Lecture Notes - Lecture 3: Blind Experiment, Sample Size Determination, Quasi

• School: Brandon University
• Department: Psychology
• Course: 82:161
• Professor: Professor G

Document Summary

Only info that supports the anecdote is passed down. Theory is only supported by evidence that supports the theory: did this and it worked. Can change with every telling: baby milk example. The attiudal difference is the distinction between a case study and an anecdote. There is little bias: every detail is encompassed in the case study. Two measurements are taken to view if there is any relationship between each case. Since nothing is manipulated or controlled it is quite dif cult to see if there is in fact causation. Presence of manufactured correlations: media example, illusory correlation. First essential requirement when inferring causation o hamburger example: rules out other external factors of an experiment. If differences can be measured in the experimental condition which has only one unique feature and these are not found in the control then you can attribute the changes to the unique manipulation. Independent variable: presumed cause in research and manipulated by the researcher o.