Measure intelligence in individuals over time

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You are designing a psychological test to measure intelligence in individuals over time. in order to ensure the reliability of your test, you decided to assess test-retest reliability. after administering the test to a group of participants, you wait a month and then re-administer the same test to the same individuals. however, you notice a discrepancy in the results. several participants' scores have changed significantly between the two testing sessions. given this scenario, consider the factors that might have contributed to the observed changes in scores. choose the most likely explanation.

Reference no: EM133997094

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