This area is emphasized:
A field experiment, as opposed to a laboratory study, does not offer the advantage of higher
a. External validity
b. Internal validity
c. Ecologival validity
d. Experimental realism
Internal validity refers to whether or not the effects you obtain in your study are due to your manipulation. If there are alternative explanations as to why your results ended up the way they did, then the study does not have internal ...
This job briefly shows what internal validity is.