What is the difference between internal and external validity|Quick homework help

Posted: February 16th, 2023

What is the difference between internal and external validity?

SOLUTION

Internal validity and external validity are both important concepts in research, but they refer to different aspects of a study.

Internal validity refers to the extent to which a study’s design and methods support the conclusion that the observed effects are due to the manipulated independent variable(s) rather than to other factors. In other words, internal validity is concerned with whether the study is measuring what it intends to measure, and whether the observed effects can be attributed to the independent variable(s) being manipulated.

External validity, on the other hand, refers to the extent to which the results of a study can be generalized to other populations, settings, and conditions beyond the specific study sample. In other words, external validity is concerned with the extent to which the findings of a study can be applied to other situations and contexts outside of t