Methods for Determining Cognitive Change in the Individual Patient

Kevin Duff, Ph.D., ABPP-CN

Professor, University of Utah

Live lecture date: 9/29/2020

These learning questions are brought to you by the KnowNeuropsychology / APPCN collaboration.

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A clinical neuropsychologist is evaluating the benefits of an ADHD medication in an adolescent patient. This is an example of assessing cognitive change.

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When assessing cognitive change in an individual patient, there are many sources of error that need to be considered. Which of the following is one of these sources of error?

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In Dr. Duff’s research, practice effects across one week in older adults has been linked to all of the following, except:

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Dr. X wants to examine if cognitive change is related to a meaningful outcome, like return to work after a traumatic brain injury. It would be acceptable to correlate his change scores to his outcome measure.

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According to the existing literature, which change score method is considered to be “the best”?

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A value of +/-1.645 is a common demarcation point for determining change with RCIs and SRBs.

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An important advance in the SRB methodology was when Maassen et al. (2006) demonstrated that SRB values:

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Simple SRB is to complex SRB as ____ is to ____.

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In the SRB, the denominator is:

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In the SRB, the numerator is:

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You calculate an RCI+PE on your patient. Which of the following values reflect that your patient showed the most decline compared to the normative sample?

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In the RCI+PE, the denominator is:

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In the RCI+PE, the numerator is:

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One reason that SRBs are less commonly used than RCIs is that SRBs:

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Chelune et al.’s RCI corrects for practice effects by

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Common statistical methods for assessing change in the individual patient include all of the following, except:

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Dr. X wants to avoid practice effects on the repeat assessment of her patient. Which strategy would best help her achieve that goal?

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Practice effects might be expected to be largest on which cognitive test if the exact same test form was used on repeat assessment?

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Practice effects are …

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In the American Academy of Clinical Neuropsychology’s position paper on serial neuropsychological assessment (Heilbronner et al., 2011), they recommended that neuropsychologists do all of the following, except:

Your score is