Author Question: Longitudinal survey designs are also referred to as A) cross-sectional designs. B) panel ... (Read 44 times)

viki

  • Hero Member
  • *****
  • Posts: 525
Longitudinal survey designs are also referred to as
 
  A) cross-sectional designs.
  B) panel designs.
  C) between-subjects designs.
  D) threshold designs.

Question 2

How do researchers determine what size sample is necessary?
 
  A) By estimating the variability of the characteristic of the population that they want to measure.
  B) By estimating the mean of the characteristic of the population that they want to measure.
  C) By estimating the reliability of the survey instrument.
  D) Both A and B



rleezy04

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

For a complete list of videos, visit our video library