Research Methods Flashcards
Hypothesis
A testable statement that states the relationship between variables
Null hypothesis
No difference/ correlation/ association between variables
Alternative Hypothesis
There is difference / correlation/ association between variables
One tailed / directional
states direction of difference (More-Less Great-Small)
Two tailed / non directional
does not state the direction of difference
(has an effect)
External Validity
Degree that findings can be generalised to
Cofounding Variables
A variable other than the IV that has an affect on DV
Internal Validity
extent which researcher is measuring what is intended to
Extraneous Variables
A variable other than the IV that has an affect on DV
Ecological Validity
Concurrent Validity
Temporal Validity
Demand characteristics
Investigator Effects
Population Validity
