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Gallup’s Clifton StrengthsFinder is an online measure of personal talent that identifies areas where an individual’s greatest potential for building strengths exists.

The 177-item pairs were based on the theory and research foundation associated with semi-structured personal interviews that had been used by Selection Research Incorporated and Gallup (Harter, Hayes, & Schmidt, 2004; Schmidt & Rader, 1999) for over 30 years. The measure, developed through rational and empirical processes, has been repeatedly subjected to psychometric examination; a summary of reliability and validity evidence gathered to date is presented.