Research Methods in Behavior Change Programs Dr Alan

Research Methods in Behavior Change Programs Dr. Alan H. Teich Chapter 11 2/12/2022

Accuracy of Data: Training and Monitoring Observers Other procedures can enhance accuracy n n n let observers know their accuracy will be checked use interobserver reliability procedures in training use the procedures to evaluate the accuracy of self-monitoring

Sources of Data Inaccuracies n n n Measure outcomes of behavior Rating scale questions & labels not clearly defined Self-report data may be flawed – poor memory Reactivity effects Poor operational definition Observers may not be trained or motivated to record accurately

Accuracy of Data: Increasing Reliability n n n Use more than one independent observer Check interobserver reliability of observers Train and monitor observers

Intrasubject Research n n n AB Designs ABAB (Reversal) Designs Multiple Baseline Designs n n n Across Behaviors Across Situations Across Individuals Changing Criterion Designs Alternating Treatment Designs

Reversal Designs

Multiple Baselines Across Behaviors

Alternating-Treatment Design

Group Designs n n Within-Subjects Designs Between-Subjects Designs n n n independent and dependent variables random assignment quasi-experimental designs

Evaluating Behavior Change n Follow-Up Assessment n n Change behavior that is significant to the individual’s functioning Cost-Benefit Analysis