David Worthington, Ph.D.

Important information about Dr. Worthington's new service, private Adoption or child custody home study is on:


David Worthington Ph.D. Doctoral Dissertation: 

The Predictive Validity of Subtle and Obvious Empirically Derived Psychological Test Items Under Faking Conditions

Dr. Worthington's dissertation can be found in the National Institute of Health online library here:

U.S. National Library of Medicine 

It is cited in eight scholarly studies published here:

Research Gate

Also cited among articles in publications here:

Educational and Psychological Measurement Journal

Bound copies can be ordered here:

Taylor & Francis Online
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