A researcher evaluates a measurement tool by administering the tool to a group of subjects every 2 weeks for 8 weeks. This is a measure of the tool's
a. alternate forms reliability.
b. internal consistency reliability.
c. interrater reliability.
d. test-retest reliability.
Question 2
A researcher wishes to study the effects of preoperative teaching on anxiety levels among toddlers and preschoolers undergoing surgery. To reduce the potential for measurement error, the researcher will
a. ask study subjects to describe feelings of anxiety.
b. develop a new tool to measure anxiety levels in children.
c. rely on multiple observers to collect data for this study.
d. use a standardized checklist of anxiety behaviors.
Abuse Assessment Screening Tool
Scientists (group photo)
Looking carefully at the scan tool data is very helpful in locating the source of a problem.
Use of a hand tool to apply pressure to a trigger point.
GDP per Capita by Country Group, 1820–2008
A group of children were asked how many hours a day they spend watching television.