The McCarthy Scales

question 59

Multiple Choice

The McCarthy Scales

• A)are psychometrically unsound.
• B)are outdated and have only historical significance.
• C)are widely used in research.
• D)represent a novel conceptualization of intelligence.

---

Definitions:

Degrees Of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution, crucial for estimating population parameters.

Matched Pairs Experiment

An experimental design where subjects are paired based on certain characteristics, and then one in each pair is randomly assigned to the treatment group, while the other receives the control.

T-Test

A statistical test used to determine if there is a significant difference between the means of two groups, which may be related in certain features.

Paired-Difference T-Test

A statistical method used to compare the means of two related groups to determine if there is a significant difference between them.