Shoe Size Is Positively Correlated with Height and Hand Size

question 11

Multiple Choice

Shoe size is positively correlated with height and hand size, but not correlated with intelligence. Shoe size has ________ validity with height and hand size and ________
Validity with intelligence.

• A)discriminant; convergent
• B)convergent; discriminant
• C)predictive; face
• D)face; predictive

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Definitions:

Norm-Referenced

A type of test that compares an individual's performance to a statistical norm or average performance of a defined group.

Standard Error of Measurement

The range of scores where we would expect a person’s score to fall if he or she took the instrument over and over again—in other words, where a “true” score might lie. It is calculated by taking the square root of 1 minus the reliability and multiplying that number by the standard deviation of the desired score.

Median

A measure of central tendency that is the middle score, or the score for which 50% of scores fall above and 50% fall below. In a skewed curve or skewed distribution of test scores, the median is generally the most accurate measure of central tendency since it is not affected by unusually high or low scores.

Standard Error of Measurement (SEM)

The margin of error in an individual's score, representing the variability in scores if the test were administered multiple times.