This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: When validity of an instrument is determined, the nurse researcher assesses what? (Select all that ... (Read 41 times)

moongchi

  • Hero Member
  • *****
  • Posts: 516
on: Jul 8, 2018
When validity of an instrument is determined, the nurse researcher assesses what? (Select all that apply.)
 
  a. Stability
  b. Variance
  c. Accuracy
  d. Precision

Question 2

The nurse researcher notes that test-retest correlations were r = 0.79 when given over 4-week intervals. This is interpreted to indicate what?
 
  a. Equivalence
  b. Discriminability
  c. Reliability
  d. Homogeneity


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yuyiding

  • Sr. Member
  • ****
  • Posts: 357
Reply #1 on: Jul 8, 2018
Answer to Question 1

ANS: C, D

Feedback
Correct Accuracy refers to instrument validity.
Precision refers to instrument reliability.
Incorrect Stability refers to instrument reliability.
Variance refers to error.

Answer to Question 2

ANS: C

Feedback
A This response is one type of reliability.
B This response refers to a type of validity.
C The example of test-retest correlations fits reliability.
D Test-retest procedures establish stability of instruments, not homogeneity.


moongchi

  • Member
  • Posts: 516
Reply 2 on: Jul 8, 2018
Wow, this really help

aliotak

  • Member
  • Posts: 326
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

The nurse needs to note the source of the patient health history The nurse needs to note the source of the patient health history
A nurse adjusts the rate of a client’s IV. A nurse adjusts the rate of a client’s IV.
Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision
Select Signs and Symptoms of Feeding and Eating Disorders Select Signs and Symptoms of Feeding and Eating Disorders
Which row identifies correctly the excitatory and inhibitory neurons? Select one: Which row identifies correctly the excitatory and inhibitory neurons? Select one:
The nurse conveys attentive listening through a posture of involvement The nurse conveys attentive listening through a posture of involvement
Video: Cardiac Cycle (Part 3 of 4)

For a complete list of videos, visit our video library