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

Author Question: As you think about your research project, you want to ensure the most unbiased and random sample of ... (Read 62 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
As you think about your research project, you want to ensure the most unbiased and random sample of respondents possible. To this end, you would choose which of the following survey methods?
 
  a) Telephone interview
 b) In-person interviews
 c) Mailed surveys
 d) Emailed surveys

Question 2

Why is it important to determine how many research participants are needed before conducting a study?
 
  a) To determine powe
 b) To estimate validity
 c) To determine reliability
 d) To estimate precedence



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

olderstudent

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

A

Answer to Question 2

A





 

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

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

For a complete list of videos, visit our video library