Question 1

Compare the reliability coefficient obtained by nine-year-olds on the Estimation subtests with the reliability coefficient obtained by seven-year-olds on the same subtest. Which age group performed with more consistency or reliability?

Accepted Answer

Nine-year-olds; the correlation is higher with nine-year-olds (.86 and .76 versus .50 and .53).

Question 2

Examiner wants to administer a test that allows for examiner judgment.

Accepted Answer

Interrater reliability

Question 3

What happens to the standard error of measurement as the reliability increases?

Accepted Answer

SEM goes down as reliability increases.

Question 4

Educator is concerned with item consistency; items scored with different point values for correct responses.

Accepted Answer

The answer of Educator is concerned with item consistency; items...

Question 5

Educator wants to administer the same test twice to measure achievement of objectives.

Accepted Answer

The answer of Educator wants to administer the same test...

Question 6

Would you consider purchasing this instrument?

Accepted Answer

The answer of Would you consider purchasing this instrument?...

Question 7

The following sets of data are scores on a mathematics ability test and grade level achievement in math for fifth graders. Plot the scores on the scattergram.

Accepted Answer

The answer of The following sets of data are scores...

Question 8

Using the standard error of measurement found in problems 1 and 2, calculate the ranges for each age level if the obtained scores were both 7. Calculate the ranges for both 68% and 95% confidence intervals.

Accepted Answer

The answer of Using the standard error of measurement found...

Question 9

Based on this information, in which grades would you feel that the test would yield more reliable results? Why?

Accepted Answer

The answer of Based on this information, in which grades...

Question 10

What type of reliability is reported in Table 4.1?

Accepted Answer

The answer of What type of reliability is reported in...

Question 11

Look at the reliability reported for age 7. Using fall statistics, compare the reliability coefficient obtained on the Numeration subtest with the reliability coefficient obtained on the Estimation subtest. On which subtest did seven-year-olds perform with more consistency?

Accepted Answer

The answer of Look at the reliability reported for age...

Question 12

Complete the scattergrams using the following sets of data. Determine whether the scattergrams illustrate positive, negative, or no correlation.

Accepted Answer

The answer of Complete the scattergrams using the following sets...

Question 13

Examiner is concerned with consistency of trait over time.

Accepted Answer

The answer of Examiner is concerned with consistency of trait...

Question 14

The standard error of measurement for a seven-year-old who was administered the Problem Solving subtest in the fall

Accepted Answer

The answer of The standard error of measurement for a...

Question 15

A twelve-year-old's standard error of measurement for Problem-Solving if the test was administered in the fall

Accepted Answer

The answer of A twelve-year-old's standard error of measurement for...

Question 16

Here is an example of a negative correlation between two variables. Plot the scores on the scattergram.

Accepted Answer

The answer of Here is an example of a negative...

Question 17

What happens to the standard error of measurement as the standard deviation increases?

Accepted Answer

The answer of What happens to the standard error of...

Question 18

Explain how the concurrent criterion-related validity would have been determined

Accepted Answer

The answer of Explain how the concurrent criterion-related validity would...

Question 19

Educator is concerned with item reliability; items are scored as right and wrong.

Accepted Answer

The answer of Educator is concerned with item reliability; items...

Question 20

A new academic achievement test assesses elementary-age students' math ability. The test developers found, however, that students in the research group who took the test two times had scores that were quite different upon the second test administration, which was conducted two weeks after the initial administration. It was determined that the test did not have acceptable ___.

Accepted Answer

The answer of A new academic achievement test assesses elementary-age...

Quiz 4: Reliability and Validity