Answer:
<em>Reliability testing </em>
Explanation:
<em>In psychological research,</em><em> the term reliability testing is defined as one of the methods which are being used to describe the consistency of a particular study or research or measuring tests. In other words, it is described as the extent to which a particular assessment tool can produce consistent and stable results. </em>
<em>Reliability testing</em><em> makes sure that the response from a particular test must remain the same even after being conducted or measured after some time.</em>
The pitcher had thrown the ball many times.
<span>Testing for intelligence at multiple ages at one point in time is cross-sectional research. The goal of this type of research is to provide data on the whole population under study. This type of study is less costly than other forms of study.</span>
