Author Question: Longitudinal survey designs are also referred to as A) cross-sectional designs. B) panel ... (Read 58 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?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

For a complete list of videos, visit our video library