Pages in this set

Page 1

Preview of page 1
Research methods




Types of investigation

Investigation type description strengths Weaknesses


Laboratory experiment An experiment is when two High internal validity- Lacks ecological
groups are compared to see if all extraneous variables validity- can't
there is a difference. The IV are controlled so cause generalise results to
is altered directly by…

Page 2

Preview of page 2
Research methods




have poor ecological
validity
Correlation Two DV's are investigated to Allows the investigation Can't establish cause
see if they are linked (or have of areas in which an and effect so whilst we
a correlation) experiment would be know there is a link we
unethical don't know if…

Page 3

Preview of page 3
Research methods




Large amount of detail have found different
Allows the investigation results due to individual
of areas in which an differences
experiment would be
unethical
observations Controlled, naturalistic, Covert: good ecological Covert: unethical
covert (observer can't be validity Overt: lots of demand
seen) and overt (observer can Overt: more…

Comments

No comments have yet been made

Similar Psychology resources:

See all Psychology resources »See all resources »