10 B Sampling Quantitative Flashcards
1
Q
- Rocco administered her self-efficacy scale to 50 patients twice, 1 week apart. The coefficient between the two sets of scores was .82.
A Reliability or
B Validity
A
ANSWER: A Reliability
Rocco used a test–retest reliability approach to assess the stability of the self-efficacy scale over time.
2
Q
- Rogers examined the relationship between scores on a self-report insomnia scale and sleep efficiency indexes as measured by an Actiwatch wristband.
A Reliability or
B Validity
A
ANSWER: B Validity
Rogers was assessing criterion validity by using the Actiwatch sleep efficiency measure as the “gold standard” criterion for the new insomnia scale.
3
Q
- Sheeley compared the degree of agreement in the scoring of two independent observers on a new scale to measure agitation in the elderly.
A Reliability or
B Validity
A
ANSWER: A Reliability
Sheeley was assessing the interrater reliability of the observers on the new scale.
4
Q
- Pfortmiller assessed the degree to which the 12 items on his resilience scale measured a unitary attribute; he calculated a coefficient of .91.
A Reliability or
B Validity
A
ANSWER: A Reliability
Pfortmiller was assessing the internal consistency reliability of his scale.
5
Q
- Pulley compared scores on her Breastfeeding Anxiety Scale for two groups: women in their first pregnancy and women who were lactation consultants.
A Reliability or
B Validity
A
ANSWER: B Validity
Pulley was using the known-groups technique to test the construct validity of her scale.
