Using William Stern's Formula, Terman Would Conclude That an 8-Year-Old

question 6

Multiple Choice

Using William Stern's formula, Terman would conclude that an 8-year-old child with a mental age of 12 had an IQ of _____.

• A) 90
• B) 110
• C) 130
• D) 150

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Definitions:

Standard Deviation

A measure of the dispersion or variability in a set of data points, representing the average distance from the mean.

Robustness

The ability of a statistical method or test to remain effective under a variety of conditions or assumptions, or when faced with violations of those assumptions.

Sign Test

A non-parametric test used to evaluate the difference between paired samples, based on the direction of the differences between the pairs, not their magnitude.

T Test

A statistical test used to compare the means of two groups or the mean of one group with a known value, under the assumption of normally distributed data.