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 190 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?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

This lithograph by Currier and Ives gives an erroneous impression of the “battle.” Major Robert Ande This lithograph by Currier and Ives gives an erroneous impression of the “battle.” Major Robert Ande
Advection of cold and warm air at different levels. Advection of cold and warm air at different levels.
Regulation of translation in erythropoietic cells by heme levels Regulation of translation in erythropoietic cells by heme levels
Daily Alertness Activity Daily Alertness Activity
Summary of the effects on transcription levels of different point mutations Summary of the effects on transcription levels of different point mutations
Example of the oligonucleotide probe design Example of the oligonucleotide probe design
Video: ADH and the arterioles, kidneys, sweat glands and the Atrial natriuretic peptide (ANP)

For a complete list of videos, visit our video library