Experimental Designs
Levels of Measure
Vocabulary Quiz
100
Draw a one group posttest only
Treatment - Outcome T1 O1
100
What is the percentage you receive on a test?
Ratio
100
What is internal validity?
The "believability" of the study: history, instrumentation and testing, maturation, and initial group differences.
200
What is a posttest nonequivalent design
Treatment - Outcome T1 O1 Control - Outcome X O2
200
What is the letter grade on a project proposal?
Ordinal
200
What is external validity?
The generalizability of the study results to other groups and situations.
300
What is a one group pretest-posttest
Pretest - Treatment - Posttest PR1 T1 O1
300
What is your favorite candy?
Nominal
300
What is a comparison group?
A group of employees who participate in the evaluation study but do not attend the training program.
400
What is a prestest-posttest equivalent design?
Random assignment - Pretest - Treatment - Posttest RA PR1 T O1 Random assignment - Prestest - Control - Posttest RA PR2 X 02
400
What are employee evaluations classified as Ex: Excellent, Average, Poor
Ordinal
400
What is random assignment
Assigning employees to the training or comparison group on the basis of chance.
500
What is the Solomon Four Group?
Random Assignment - Pretest - Treatment - Posttest RA PR1 T1 O1 Random Assignment - Pretest - Control - Posttest RA PT2 X O2 Random Assignment Treatment - Posttest RA T2 O3 Random Assignment Control - Posttest RA X O4
500
What is the amount of money in a saving account?
Ratio
500
What is the Hawthorne effect?
When employees in an evaluation study perform at a high level simply because of the attention they are receiving.