« previous next »

Author Question: When each member of a population has an equal chance of being chosen for a study, the individuals ... (Read 113 times)

stephzh

  • Hero Member
  • *****
  • Posts: 556
on: Jun 19, 2018
When each member of a population has an equal chance of being chosen for a study, the individuals selected constitute a(n) ____ sample.
 
  a. random
  b. stratified
  c. independent
  d. significant

Question 2

Which method will result in having a truly random sample of the population of the United States?
 
  a. Randomly select names from every phone book published in the United States.
  b. Advertise in every newspaper in the country that you will pay 10/hour to anyone willing to be in a research project.
  c. Select names from the Internal Revenue Service of every person who filed income tax returns last year such that every income level is equally represented.
  d. Obtain names from the U.S. census bureau and randomly select participants.


micaelaswann

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jun 19, 2018
Answer to Question 1

ANSWER:
a

Answer to Question 2

ANSWER:
d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Model of a sequential study in which two cohorts were followed beginning at age 20. One cohort was f Model of a sequential study in which two cohorts were followed beginning at age 20. One cohort was f
Created Equal: A Social and Political History of the United States, Brief Edition Created Equal: A Social and Political History of the United States, Brief Edition
Population Growth in America Population Growth in America
The Prison Study The Prison Study
Harvard Alumni Study show who are more physically active in middle adulthood Harvard Alumni Study show who are more physically active in middle adulthood
The karyotypes of individuals The karyotypes of individuals
Video: Introduction to Sickle Cell Anemia

For a complete list of videos, visit our video library