Question 1

A split-half reliability overestimates actual reliability.Therefore,a special formula,the Spearman-Brown prophecy formula,is used to make the correction.

Accepted Answer

False

Question 2

Error score represents errors of measurement.

Accepted Answer

Error score is a measure of the extent of mistakes or discrepancies that may have occurred during the process of data collection or analysis, hence it represents errors of measurement.

Question 3

The higher the test-retest reliability coefficient,the greater the true score and the less the error.

Accepted Answer

This is because a higher test-retest reliability coefficient indicates that there is less variability in the scores due to random error, and more consistency in the scores due to true differences between individuals on the construct being measured.

Question 4

The higher the value of a reliability coefficient,the less the measurement error.

Accepted Answer

A higher reliability coefficient indicates less measurement error because it means that the results are more consistent and dependable.

Question 5

If all respondents on a selection measure remember their previous answers to an initial administration of a measure and then on the retest respond according to their memory,the reliability coefficient will decrease.

Accepted Answer

If all respondents remember their previous answers and respond accordingly on a retest, this would actually increase the reliability coefficient, as it suggests consistent responses. Therefore, the statement given is false.

Question 6

Selection measures involving traits of personality,attitudes,or interests are usually considered to be fairly static yielding high reliability coefficients.

Accepted Answer

Personality, attitudes, and interests can vary over time and across different situations, leading to variability in measurements and not consistently high reliability coefficients.

Question 7

Selection measures that are designed to assess job-related characteristics are more precise than measures of physical characteristics.

Accepted Answer

The answer of Selection measures that are designed to assess...

Question 8

A split-half reliability estimate is NOT a pure measure of internal consistency.

Accepted Answer

A split-half reliability estimate assesses the consistency of responses within a test by splitting the test into two halves and comparing scores between the two halves. However, this method does not account for other sources of variability that may be present in the test, such as response bias or item difficulty, which can affect the reliability estimate. Thus, a split-half reliability estimate is not a pure measure of internal consistency.

Question 9

Reliability is generally determined by examining the relationship between two sets of measures measuring the same thing.

Accepted Answer

This is correct. Reliability is determined by examining the consistency between two or more sets of measurements that are meant to measure the same thing.

Question 10

With a long time interval between administrations of a measure,test-retest reliability may underestimate reliability.

Accepted Answer

Test-retest reliability is generally used to measure the consistency of a measure over time. However, if there is a long time interval between administrations of the measure, factors such as maturation, learning effects, or changes in the construct being measured may impact the results, leading to an underestimation of the measure's reliability.

Question 11

To control the effects of memory on test-retest reliability estimates,the same measure should be used the second time.

Accepted Answer

Using the same measure the second time can actually inflate test-retest reliability estimates due to memory effects, as participants may remember their previous responses.

Question 12

Reliability coefficients computed between parallel forms tend to be conservative estimates.

Accepted Answer

Reliability coefficients computed between parallel forms tend to be conservative estimates because they measure the degree of consistency between two different but equivalent tests, which may contain different or more difficult items, resulting in lower scores and therefore lower reliability coefficients.

Question 13

With increasing time intervals,test-retest reliability coefficients will generally decrease.

Accepted Answer

Test-retest reliability refers to the consistency of scores obtained by the same individual on the same test or measure on two separate occasions. If the time interval between the two administrations of the test is too long, factors such as changes in the individual's skill level, memory recall, or motivation may contribute to variability in scores, resulting in a decrease in test-retest reliability coefficients. Therefore, as the time interval increases, test-retest reliability coefficients are likely to decrease.

Question 14

Surprisingly,increasing the lengths of time between administrations does not reduce the impact of memory effects on reliability.

Accepted Answer

The answer of Surprisingly,increasing the lengths of time between administrations...

Question 15

When a measure is perfectly reliable,its obtained score is higher than its true score.

Accepted Answer

The answer of When a measure is perfectly reliable,its obtained...

Question 16

In general,the amount of measurement error has little effect on how high the reliability of measurement error will be.

Accepted Answer

The amount of measurement error can have a significant impact on the reliability of measurement. The more measurement error present, the lower the reliability of the measurements will be. Therefore, option B is the correct choice.

Question 17

Because of the way it is calculated,a higher reliability coefficient is desirable.

Accepted Answer

A higher reliability coefficient indicates greater consistency and accuracy of measurements or scores, so it is desirable to have a higher reliability coefficient.

Question 18

A selection measure is internally consistent or homogeneous when individuals' responses on one part of the measure are unrelated to their responses on other parts.

Accepted Answer

This statement is incorrect. Internal consistency or homogeneity refers to the degree to which items on a selection measure are related to each other. If individuals' responses on one part of the measure are unrelated to their responses on other parts, it suggests poor internal consistency.

Question 19

Reliability of measurement in selection is synonymous with dependability,consistency,or stability of measurement.

Accepted Answer

Reliability of measurement refers to the degree to which a measurement is free from measurement error and produces consistent results when the same thing is measured multiple times. Dependability, consistency, and stability are all terms that describe this concept of reliability.

Question 20

To achieve a parallel forms reliability estimate,at least two equal versions of a measure must exist.

Accepted Answer

The answer of To achieve a parallel forms reliability estimate,at...

Quiz 4: Reliability of Selection Measures