Psych- Test and Assess.- Chpt. 3 Quiz

Most scores on tests that measure psychological variables

• are continuous

• are error-free

• are discrete

• lack discretion

are continuous

Kate received a z score of 1 on a reading test. What do we know about Kate's performance, assuming that the reading test scores are distributed normally?

• She scored worse than 84 percent of the other students.

• She scored better than only 2/3 of the other students.

• She scored worse than only 2/3 of other students.

• She scored better than 84 percent of the other students.

She scored better than 84 percent of the other students.

In the language of assessment, _____ refers to the collective influence of all of the factors on a test score or measurement beyond those specifically measured by the test or measurement.

error

The mean should be chosen as the measure of central tendency when the distribution is…

approximately symmetrical in nature

The fact that a test score has a normal distribution…The fact that a test score has a normal distribution

makes the interpretation of tests scores simpler as compared to a skewed distribution.

Which is the only type of scale that has an absolute zero point?

ratio

If few scores fall at the low end of the distribution, the distribution is _____ skewed.

negatively

A perfect correlation is indicated by _____.

both +1.00 and -1.00

Theoretically, which of the following is not true of the normal curve?

• The mean, the median, and the mode have the same value.

• The sides taper and touch the x-axis.

• The highest point is the center.

• It is perfectly symmetrical, with no skewness.

The sides taper and touch the x-axis.

During a football game, yards gained by running backs is an example of which type of scale?

ratio