research methods

extraneous variables- things that effect the DV apart from the IV

Control is vital.

Internal validity- What goes on inside the study.

External validity- The ability to generalise the results Different places or setting (ecological validity) Different people or population ( population validity) Different times ( historical validity)

Informed consent- to reveal the true aims of the study. From a researchers point of view they fear participants may guess the hypothesis. From a participants they should be told so they may make an informed decision if they wish to participate.

Whenever possible the psychologist should inform as fully as possible

Privacy- From a researchers point of view it is hard to not invade privacy when studying participants without their awareness.

Do not observe people without consent unless in a public place

Confidentiality-  To keep the identity of the participant secret