Skaggs, Gary <br/><br/>
Test development and validation/ 
Gary Skaggs 
 - London:  Sage,  2023. 
 - xvii,390p. 
<br/><br/>The big picture Test development Validation 
<br/><br/><label>ISBN: </label>9781544377148 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences - Methodology<br/>Social sciences - Research<br/>Scaling (Social sciences)<br/>Psychometrics
<br/><br/><label>Dewey Class. No.: </label>300.72  / SKT