PSYB01H3 Chapter Notes - Chapter 11: Interrupted Time Series, Developmental Psychology, Internal Validity
Document Summary
Chapter 11 single case, quasi-experimental, and developmental. Single case experimental designs: single case experimental designs have traditionally been called single-subject designs but are now called single case designs (barlow and hersen, shadish, These possibilities are much less likely is they treatment has been shown to have an effect 2 or more times the second problem is ethical. Barlow and hersen point out that is does not seem ethical to end the experiment with withdrawal of treatment when the treatment could be very beneficial to the participant (therefore use abab and end with treatment) 2. a control group may also be used in a reversal design. The manipulation is introduced at a different time in each setting and if the change occurs in each situation only after the manipulation is introduced it is evidence that it is effective. Needs program process outcome efficiency.
