Lacks internal validity
Psychologial research is fraught with problems such as investigator effects and demand characteristics
-These compromise the validity of research
DISADVANTAGE: observed effects may be due to variables other than the research
EXAMPLE: questionnairs may involve leading questios, which means the findings are not valid
Lacks external validity
Findings from psychological experiments are not always supported by real life every day observations.
-suggests findings from psychological research cannot be generalised beyond pariticular settings
EXAMPLE: Mandle said that Milgram's relationship to the behaviour of the real world- not everyday obidence is tested through the harming of others.
In order to conduct psychological research, behaviour must be reduced to a set of individualised variables.
-This is true…