PSYO 1011 Chapter Notes - Chapter 2: Null Hypothesis, Pearson Product-Moment Correlation Coefficient, Blind Experiment

• School: Dalhousie University
• Department: Psychology
• Course: PSYO 1011
• Professor: Leanne Stevens,Shelley Adamo,Kevin Duffy,Jennifer Stamp

Document Summary

Observe: researcher examine previous findings and/or make personal observation of the world around them. Predict: via a hypothesis, or a specific, informed, and testable prediction. The hypothesis is usually based on a theory, a related set of testable assumptions. Interpret: assess whether the results are significant --->using stats. Communicate: share and publish results to be peer-reviewed. Sampling bias: errors in a research study due to inadequate sampling and representation of the general population. Experimenter/expectation bias: errors in a research study due to the predisposed notions or beliefs of the experimenter. Placebo effect: errors in research study due to predisposed notions or belief of the subjects. Nocebo effect: it"s like placebo, but the effect on the subjects are negative in nature. Social desirability bias: tendency for subjects to self-present in a way that is a socially acceptable, leading to inaccurate self-reports.