Suppose That Two Children Differ in IQ by 20 Points

question 31

Multiple Choice

Suppose that two children differ in IQ by 20 points.According to Gottesman's range of reaction principle, what is the difference due to?

• A)genetic differences in intellectual potential
• B)differences in environmental favourableness
• C)genetic differences in intellectual potential, depending on whether the environment of rearing was similar
• D)ethnic variations in educational practices

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Definitions:

IQR

Stands for Interquartile Range, which is a measure of variability based on dividing a data set into quartiles.

Median Score

The middle value in a set of data, where half the scores are higher and half are lower.

Consistent

In statistics, refers to an estimator that, as the sample size grows to infinity, converges in probability to the true parameter being estimated.

Salaries

Refers to the regular payments made to employees for their work or services, typically expressed in terms of annual amounts or hourly rates.