Asked by Madison Widdecombe on Sep 26, 2024
Verified
If you convert a group of z-scores to DIQ's, you will:
A) change the distribution on the curve.
B) decrease the mean.
C) decrease the median.
D) keep the original shape of the raw score distribution.
Z-Scores
A standardized score that indicates the number of standard deviations a raw score is above or below the mean.
Raw Score Distribution
The unadjusted scores of all participants in a study or on a test, displayed in the form of a distribution to analyze general trends.
- Achieve the ability to determine and expound upon z-scores and their conversion to other measurement scales, such as DIQ, T scores, and percentiles.
Verified Answer
JP
Jesse Palmerabout 4 hours ago
Final Answer :
D
Explanation :
Converting z-scores to DIQ's (decile IQ) involves rank ordering the scores and converting them to an integer between 1 and 10 based on their rank. This transformation does not change the shape of the original distribution, but rather changes the units of measurement to a scale based on percentiles. Thus, the original shape of the distribution is kept intact.
Learning Objectives
- Achieve the ability to determine and expound upon z-scores and their conversion to other measurement scales, such as DIQ, T scores, and percentiles.