PSYC 2360 Lecture Notes - Lecture 4: Random Assignment, Experiment, Social Desirability Bias

36 views5 pages

Document Summary

Chapter 4: the psychologist"s toolbox (tools to building better designs: chapter 4 outline, choosing the right design, experiments vs quasi-experiments, measuring variables, self-report, behavioural measures, types of measurement error, random error, bias. In a true experiment would assign the children to the treatment and to the control conditions in a random fashion. In a quasi-experiment, we might be required to use intact groups (e. g. , school a and school b). We flip a coin to decide which school receives the therapy, but we do not randomly assign within the schools: we compare differences in observe2 and conclude the difference is due to. School b observe1 observe2 the treatment: however, there could be a difference at observe1 that may cloud the conclusion. Bias (systematic error) will threaten validity: recruitment of participants: sampling strategies, **note: this slide serves as an overview of the different methods.

Get access

Grade+20% off
$8 USD/m$10 USD/m
Billed $96 USD annually
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
40 Verified Answers
Class+
$8 USD/m
Billed $96 USD annually
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
30 Verified Answers

Related Documents