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

Author Question: In a study on the effects of exercise on stress, researchers predict that there will be a difference ... (Read 31 times)

clippers!

  • Hero Member
  • *****
  • Posts: 828
In a study on the effects of exercise on stress, researchers predict that there will be a difference in stress level between the exercise and no exercise groups. The researchers are using a _____ hypothesis.
 
  a. two-tailed
  b. directional
  c. one-tailed
  d. one-tailed (also called directional)

Question 2

In a study on the effects of amount of sleep on driving performance, researchers predict that those in the group that is allowed more sleep will exhibit better driving performance. The researchers are using a _____ hypothesis.
 
  a. two-tailed
  b. directional
  c. one-tailed
  d. one-tailed (also called directional)



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nothere

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

a

Answer to Question 2

d




clippers!

  • Member
  • Posts: 828
Reply 2 on: Jun 19, 2018
Thanks for the timely response, appreciate it


yeungji

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Excellent

 

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

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?

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.

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.

For a complete list of videos, visit our video library