PSY 445 Lecture Notes - Lecture 4: Intellectual Disability, Psychological Testing, Asperger Syndrome
Document Summary
Observation and analysis of compete psychological functioning, current environment, dev. history. Unscientiic, lawed, characterized by uncontrolled methods and selective biases. Evaluate impact of a clinical treatment; repeated assessment of behavior, replication of treatment. Abab reversal: baseline, intervention, baseline w/o intervention, re-intervention. Multiple-baseline: diferent responses of same/several individual identiied over time/dif situations. Alternating treatments design: study efects of many treatments + control. Applicable for use of wide range of behaviors. If treatment works, the behavior may not reverse. Ethical concern of returning to baseline after treatment. Participants randomly assigned to experimental and control group. Diff children at diferent ages/periods of dev. studied at same. Longitudinal same children studied at diff ages/dev. period. Identify patterns common to all children, track development dif. Ethical concern of withholding efective treatment to control. Limited in info they generate regarding developmental change. Cohort efects: same group that experience same culture/history. Correlational design | relationship between two variables in a randomly assigned sample observe strength/direction of sample.
