(Experimental and Quasi-Experimental)
The primary use of the classic experimental design -- Cause-effect relationship
Three conditions that must be met in order to establish a cause-effect relationship
1. Timing 2. Association 3. Eliminate Alternative Explanations
Four components of the classic experimental design
1. Intervention 2. Exp / Control 3. Pre / Post test 4. Random Assignment
Differences between The quasi-experimental design and the experimental design: No Random Assignment
Advantages of the experimental design -- Flaw in a quasi-experimental design: Pre-existing group differences
Factors that give rise to / constitute a threat of "alternative explanations" in research
Selection Bias:
History:
Maturation:
Attrition (Subject Mortality):
Testing Bias:
Instrumentation:
Reactivity:
Printed copy of Study Guide is contraband -- (create your own hand written copy)
3. Read “Knowledge-Base Bivariate Frequency Distributions”
4. Accomplish “Homework: Bivariate Frequency Distributions”
6. Accomplish your reference list to turn in (hard copy) on quiz day.