This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In chapter 7, we used a between subjects design to see if caffeine influenced levels of alertness. ... (Read 198 times)

segrsyd

  • Hero Member
  • *****
  • Posts: 530
on: Jul 13, 2018
In chapter 7, we used a between subjects design to see if caffeine influenced levels of alertness.
 
  We had three groups of participants: participants who received 8 ounces of a caffeinated beverage, participants who received 24 ounces of a caffeinated beverage, and participants who received no caffeine. If this was a between subjects design with 30 total participants, how many participants would be in each condition?
 
  a. 10
  b. 15
  c. 20
  d. 25

Question 2

According to the text, John believed that there were no differences in writing abilities between himself and Jenn. John is stating what kind of hypothesis?
 
  a. null
  b. directional
  c. exhaustive
  d. nondirectional


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bhavsar

  • Sr. Member
  • ****
  • Posts: 351
Reply #1 on: Jul 13, 2018
Answer to Question 1

A

Answer to Question 2

A


segrsyd

  • Hero Member
  • *****
  • Posts: 530
Reply #2 on: Jul 13, 2018
Correct answers!


bhavsar

  • Sr. Member
  • ****
  • Posts: 351
Reply #3 on: Jul 13, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Maintenance of normal blood glucose levels. Maintenance of normal blood glucose levels.
Summary of greenhouse experimental design and results Summary of greenhouse experimental design and results
A Subtitle C Landfill Design A Subtitle C Landfill Design
DISTILLATION/ABSORPTION COLUMN DESIGN DISTILLATION/ABSORPTION COLUMN DESIGN
Levels of organization in striated muscle Levels of organization in striated muscle
Steps in the regulation of p53 levels and activity Steps in the regulation of p53 levels and activity
Video: Structures that affect circulation - venous return

For a complete list of videos, visit our video library