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 178 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?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Relationship between levels of COHb in blood and concentration of CO in the surrounding air Relationship between levels of COHb in blood and concentration of CO in the surrounding air
Estrogen and Progesterone Levels During Menstrual Cycle Estrogen and Progesterone Levels During Menstrual Cycle
Parental warmth, monitoring, and granting of appropriate levels of autonomy are associated with ... Parental warmth, monitoring, and granting of appropriate levels of autonomy are associated with ...
A horizontally opposed engine design helps to lower the vehicle’s center of gravity. A horizontally opposed engine design helps to lower the vehicle’s center of gravity.
Design Data for Various Packings Design Data for Various Packings
Animated Changes in the ovary and uterus correlated with changing hormone levels. We start with the Animated Changes in the ovary and uterus correlated with changing hormone levels. We start with the
Video: Male Reproductive System - The gonadotropin releasing hormone

For a complete list of videos, visit our video library