Validity

A test that measures what it claims to measure. (a)  

Whether the test appears (at first appearance) to measure what it claims to. This is the least sophisticated measure of validity.

The degree to which a test corresponds to an external criterion that is already in existence and accepted.

The degree to which results can be applied to other settings or situations.

The degree to which results can be applied to a different period of time.

The degree to which results can be applied to a different members of the target population.

Which of the following is an example of internal validity?

What statistical test could a researcher use to assess if the results of their study are similar to the results from other similar existing studies?

Which of the following should be used to increase internal reliability?

Which of the following methods can be used to assess the internal validity of a test?