10 TPC Digest TPC Digest Michael T. Kalkbrenner, Stephanie L. Zackery, Yuxuan Zhao Factorial Invariance of Scores on the Inner Wealth Inventory: A Nationwide Sample of Adults in the United States rofessionals can use standardized tests as one way to measure their clients’ progress throughout the counseling process. Counselors are encouraged to use screening tools that focus on people’s strengths, instead of only measuring how much they’re struggling or symptoms of mental health issues. The Inner Wealth Inventory (IWI) is a strengths-based screening tool that measures inner wealth (IW), which is the extent to which test takers are feeling enriched, fulfilled, and inherently valued. The IWI was developed and normed with samples of child welfare professionals. The way screening tools measure what they are supposed to measure can change over time and/or depending on who is being tested. Accordingly, counselors need to check that screening tools give accurate and consistent results, especially when they’re used with new groups of people. To this end, the primary aim of the present study was to test the validity of scores on the IWI with a national sample of adults living in the United States. Validity evidence of test scores involves the extent to which tests accurately measure what they were designed to measure. P
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