Explore BrainMass

Reliability and Validity in given article

Find the Reliability and Validity in the article attached.


Solution Preview

First let's start with some definitions of the terms you are looking for.

Reliability- refers to the consistency or reproducability of measured results.

See http://en.wikipedia.org/wiki/Reliability_%28statistics%29

Validity- refers to the 'trueness' of the result being measured.

See http://en.wikipedia.org/wiki/Validity_%28psychometric%29

In order for a result to be valid it must also be reliable but just because your results are reliable (ie. the average results are similar) does not make it valid (or ...