Author Question: When placing participants into conditions or groups for a study, researchers should use to ensure ... (Read 59 times)

jilianpiloj

  • Hero Member
  • *****
  • Posts: 521
When placing participants into conditions or groups for a study, researchers should use to ensure each participant has equal probability of being placed into each group.
 
  a. external validity
  b. systematic sampling
  c. random sampling
  d. random assignment

Question 2

Brooke is investigating exercise habits among college students. Brooke has asked students to indicate the number of times they workout each week. To investigate exercise, Brooke is using a(n) scale.
 
  a. ordinal
  b. nominal
  c. ratio
  d. interval



ms_sulzle

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

For a complete list of videos, visit our video library