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Author Question: In chapter 7, we used a between subjects design to see if caffeine influenced levels of alertness. ... (Read 160 times)

segrsyd

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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


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bhavsar

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Reply #1 on: Jul 13, 2018
Answer to Question 1

A

Answer to Question 2

A


segrsyd

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Reply #2 on: Jul 13, 2018
Correct answers!


bhavsar

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Reply #3 on: Jul 13, 2018
Great! Please up vote :D


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