PSY1022 Lecture Notes - Lecture 4: Predictive Validity, Confounding, Face Validity

• School: Monash University
• Department: Health Sciences - Psychology
• Course: PSY1022
• Professor: Shruti Mujumdar

Document Summary

1964: national research act, us-specific (1974, came from the tuskegee syphilis study - african american men with syphilis, monitored but withheld treatment from a large sample of syphilis after treatment was available in 1940s. If it"s a drug use research and survey heroin addicts whom aren"t in prison/caught - there will be social risk. Iv and how it will be manipulated: what dv is, prediction about how dv is expected to change with manipulation of iv. Operational definitions: operationalizing a variable, we are stipulating in detail how the variable in question is to be defined, observed, and measured. If variables can be measured directly, this is straight forward: e. g. , alcohol consumption can be operationalized by stipulating: number of standard drinks consumed per hour, or blood alcohol concentration measured using a bac meter. If variables consist of unobservable constructs we need to carefully develop operational definitions.