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Author Question: For Joan's doctoral dissertation experiment, 15 wheelchair users were randomly assigned to three ... (Read 92 times)

jilianpiloj

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on: Jun 20, 2018
For Joan's doctoral dissertation experiment, 15 wheelchair users were randomly assigned to three groups with 5 in each group. These participants navigated in virtual-reality settings. Group 1 participants were in the virtual-reality setting (a building) as wheelchair users. Group 2 participants were in the virtual-reality setting in a wheelchair pushed by a walking person. Group 3 participants walked without aid in the virtual-reality setting. Joan measured the time each participant needed to complete the navigation of the virtual-reality setting. What are the dependent and independent variables?
 
  a. Independent = wheelchair use; dependent = virtual-reality condition
  b. Independent = wheelchair use; dependent = time needed
  c. Independent = time needed; dependent = virtual-reality condition
  d. Independent = virtual-reality condition; dependent = time needed

Question 2

An experimenter studies the effect of type of music during practice on recall of word lists using rock background music for 20 subjects, classical music for 22 others, and country/western for another 25 . How many levels are there in the experiment?
 
  a. 3 c. 20
  b. 67 d. 1


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Pariscourtney

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Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

A


jilianpiloj

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Reply 2 on: Jun 20, 2018
Gracias!

bassamabas

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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