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

Author Question: A researcher intends to compare two different treatment conditions. Participants for the first ... (Read 83 times)

jrubin

  • Hero Member
  • *****
  • Posts: 552
on: Jun 19, 2018
A researcher intends to compare two different treatment conditions. Participants for the first treatment are selected and tested early in the school semester, and participants for the second treatment are selected and tested late in the semester. In this study, the time-of-testing represents a confounding variable.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

The nonprobability sampling method that combines chain-referral with a statistical weighting system that helps compensate for the fact that the sample was not drawn randomly is known as _______________.
 
  Fill in the blank(s) with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

FergA

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Jun 19, 2018
Answer to Question 1

True

Answer to Question 2

respondent-driven sampling
respondent driven sampling


jrubin

  • Member
  • Posts: 552
Reply 2 on: Jun 19, 2018
Excellent

blakcmamba

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Mount Logan, Yukon. Environmental conditions and organisms vary greatly from low to high elevations Mount Logan, Yukon. Environmental conditions and organisms vary greatly from low to high elevations
Comparison of Selected Respiratory Conditions Comparison of Selected Respiratory Conditions
Various types of integumentary conditions. (G) Burn, second degree. Various types of integumentary conditions. (G) Burn, second degree.
Air flows through the PCV valve during idle, cruising, and light-load conditions. Air flows through the PCV valve during idle, cruising, and light-load conditions.
A patient with Cushing’s syndrome (A) before and (B) after receiving treatment. Sharmyn McGraw A patient with Cushing’s syndrome (A) before and (B) after receiving treatment. Sharmyn McGraw
IgG after treatment with papain. IgG after treatment with papain.
Video: The Vestibular System

For a complete list of videos, visit our video library