This topic contains a solution. Click here to go to the answer

Author Question: A researcher intends to compare two different treatment conditions. Participants for the first ... (Read 66 times)

jrubin

  • Hero Member
  • *****
  • Posts: 552
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
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
Wow, this really help


dantucker

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Excellent

 

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

For a complete list of videos, visit our video library