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Clinical psychologists and neuropsychologists often use normative test batteries for determining whether an individual's performance falls outside of the normal range, indicating some kind of impairment. If you had to choose a z score threshold or cutoff for defining an individual's performance as "abnormally impaired relative to the normal range of scores, what would it be and why? O A. Defining participants with az score of -1.00 or less as the cutoff would be a good threshold because only about 40% of the population have z scores less than -1.00. O B. Defining participants with a z score of +1.00 or greater as the cutoff would be a good threshold, because this would indicate the top 16% of people in the population.

Clinical psychologists and neuropsychologists often use normative test batteries for determining whether an individual's performance falls outside of the normal range, indicating some kind of impairment. If you had to choose a z score threshold or cutoff for defining an individual's performance as "abnormally impaired relative to the normal range of scores, what would it be and why? O A. Defining participants with az score of -1.00 or less as the cutoff would be a good threshold because only about 40% of the population have z scores less than -1.00. O B. Defining participants with a z score of +1.00 or greater as the cutoff would be a good threshold, because this would indicate the top 16% of people in the population.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section11.5: Choosing A Data Display
Problem 19E
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0.5 Average -0.5 z score |No TBI |TBI -1.0 -1.5 Attention/Working Memory Learning/Memory Processing Speed Language Cognitive Domain Executive Functioning
Transcribed Image Text:0.5 Average -0.5 z score |No TBI |TBI -1.0 -1.5 Attention/Working Memory Learning/Memory Processing Speed Language Cognitive Domain Executive Functioning
Clinical psychologists and neuropsychologists often use normative test batteries for determining whether an individual's performance falls outside of the normal range, indicating some kind of impairment. If you had to choose a z score threshold or cutoff for defining an individual's performance as "abnormally" impaired relative to the normal range of scores, what would it be and why? O A. Defining participants with a z score of -1.00 or less as the cutoff would be a good threshold because only about 40% of the population have z scores less than -1.00. O B. Defining participants with a z score of +1.00 or greater as the cutoff would be a good threshold, because this would indicate the top 16% of people in the population. O C. Defining participants with a z score of at or less than 0 as the cutoff would be a good threshold because zero would be the mean of the healthy comparison group. O D. Defining participants with a z score of less than -2.0 as the cutoff would be a good threshold because only 2% of people in the population should have a z score this extreme or less.
Transcribed Image Text:Clinical psychologists and neuropsychologists often use normative test batteries for determining whether an individual's performance falls outside of the normal range, indicating some kind of impairment. If you had to choose a z score threshold or cutoff for defining an individual's performance as "abnormally" impaired relative to the normal range of scores, what would it be and why? O A. Defining participants with a z score of -1.00 or less as the cutoff would be a good threshold because only about 40% of the population have z scores less than -1.00. O B. Defining participants with a z score of +1.00 or greater as the cutoff would be a good threshold, because this would indicate the top 16% of people in the population. O C. Defining participants with a z score of at or less than 0 as the cutoff would be a good threshold because zero would be the mean of the healthy comparison group. O D. Defining participants with a z score of less than -2.0 as the cutoff would be a good threshold because only 2% of people in the population should have a z score this extreme or less.
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