Author Question: Which action will the researcher take to improve construct validity? a. Allow data collectors to ... (Read 73 times)

j.rubin

  • Hero Member
  • *****
  • Posts: 557
Which action will the researcher take to improve construct validity?
 
  a. Allow data collectors to know which subjects are assigned to which groups
  b. Ensure that operational definitions reflect theoretical constructs
  c. Make sure that the researcher is involved in data collection
  d. Utilize only one measurement method to measure study variables

Question 2

A researcher wishes to conduct a study of a small number of subjects on a large hospital intensive care unit. To minimize problems associated with extraneous variables in the study setting, the researcher will
 
  a. ensure double-blind data collection methods.
  b. randomly assign subjects to treatment and control groups.
  c. test the reliability of study measures.
  d. train a small number of nurses to administer the intervention.



Dunkey

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

ANS: B

Answer to Question 2

ANS: D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

For a complete list of videos, visit our video library