Alternative Quasi-Experiments
When a behavior is measure before a treatment and again after the treatment.
What is a pretest-posttest design?
A developmental design that treats age as a within subjects variable.
What is a longitudinal design?
Events that occur during study to all or individual participants
What is a history effect?
A pretest-posttest design that includes a control group.
What is a pretest-posttest non-equivalent groups design?
A developmental design that treats age as a between subjects variable.
What is a cross-sectional design?
This occurs when participant's performance changes as a result of having been testing more than once.
What is the testing effect?
A pretest-posttest design that controls for the history effects and the testing effects.
What is a Solomon Four Groups Design?
Cohort-sequential design.
What is multiple samples of participants of different ages are followed over time and tested at different ages?
A source of bias that results in extreme scores becoming less extreme over time.
What is regression toward the mean?
What is a time series design?
Experiments conducted with one or a few participants to better understand behavior of those individuals.
What is a small n design?
When the participants age and change over time, not as a function of the treatment.
What is maturation?
A time series design in which the treatment is an independent event such as a historical event.
What is an interrupted time series design?
A-B-A/reversal design
What is when an individual or small group of similar individuals is used to examine effects of treatment on undesirable behavior?
When participants drop out of a research study.
What is attrition?