Core Strengths Celebrates 50 Years of Strengthening
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Dec 20, 2021 . Core Strengths, first known as Personal Strengths Assessment Service, was founded by psychologist Dr. Elias H. Porter, a peer of Carl Rogers and one of the earliest voices in positive psychology. He began offering the Strength Deployment Inventory (SDI); a simple, self-scorable assessment, printed on goldenrod-colored card stock and priced at $1 each.
DA: 30 PA: 5 MOZ Rank: 2