Research Methods

Question	Answer
construct validity	are we measuring what we think we are measuring? does the operational definition reflect the conceptual definition
external validity questions	is a sample representative of the population of interest? will the results be generalizable?
definition of external validity	external validity mean that you can generalize the results of your research to other people places and times
types of external validity	population validity -do I resolve generalized to other people ecological validity -to our results generalize to other places and times
internal validity	has there been adequate control over any extraneous variables? can causality be asserted in drawing conclusions?
how do you improve external validity	1 identifying your population of interest 2 use random sampling 3 study enough participants
internal validity definition	deals with cause and effect relationships takes out compounds X causes change in Y
temporal precedence	X (cause) precedes Y (effect)
covariation	changes in X are related to changes in Y

Resource summary

	Created by Fernando Coronad over 8 years ago