An Examination of the Scale of Accurate Personality Prediction’s (SAPP) Test-Retest Reliability Across a Four-Week Period
Anderson, Taylor Catherine
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The questions surrounding how well one can truly know him/herself dates as far back as Ancient Greek times, and answering the question has been a difficult task given the complexity of human beings, and a somewhat subjective term such as the “self.” As science and technology continue to advance, so do the attempts to accurately define self-knowledge. Miller (2000) took defining self-knowledge a step further, and developed a test derived from the Sixteen Personality Prediction Questionnaire (16PF) to measure individuals’ level of self-knowledge how well they know themselves, based on their ability to accurately predict their scores on the 16PF. Several reliability and validity studies have been conducted, and the present study serves as an additional assessment to further explore the stability of the SAPP regarding test-retest reliability. To assess the test-retest reliability of the SAPP, the SAPP scores of 29 participants were derived during initial testing trials, and again four weeks later. A Pearson correlation, which was used to determine if there is a significant correlation between the two trials of SAPP scores, revealed a significant strong correlation (r² = .584, p< .01). The implications of these results as well as limitations of the study are discussed.