Reliability and Validity of the Knowledge of Person-Centered Behavioral Approaches for BPSD Test
Background and PurposeThe purpose of this study was to test the reliability and validity of the Knowledge of Person-Centered Behavioral Approaches for BPSD based on a Rasch analysis.MethodsThis study used baseline data from the Implementation of the Evidence Integration Triangle for Behavioral and Psychological Symptoms of Dementia (EIT-4-BPSD) clinical trial.ResultsA total 1,071 nurses completed the test. There was evidence of reliability (alpha coefficient of.99), construct validity with INFIT and OUTFIT statistics in the.6 to 1.4 range, and hypothesis testing with a significant correlation between the Knowledge of Person-Centered Behavioral Approaches for BPSD and positive care interactions.ConclusionsFuture use of the measure should include more challenging items to differentiate those very high in knowledge of person-centered behavioral approaches for BPSD.