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Author Question: In a field study of the readability of traffic signs using different type fonts, a researcher ... (Read 77 times)

wenmo

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on: Jun 19, 2018
In a field study of the readability of traffic signs using different type fonts, a researcher measured the distance at which professional drivers were able to read each of four different signs during daylight and nighttime driving; two of the signs used the existing font and two used a new font designed for greater visibility. In this experiment, the independent variable(s) is/are
 
  a. type of font and time of day.
  b. distance from which each sign could be read by the drivers.
  c. time of day only.
  d. type font only.

Question 2

Which statistic was developed to correct problems with inter-rater reliability?
 
  a. Cohen's kappa
 b. Cronbach's alpha
 c. Kuder-Richardson formula 20
  d. Spearman-Brown formula


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deja

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Reply #1 on: Jun 19, 2018
Answer to Question 1

A

Answer to Question 2

a


wenmo

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Reply 2 on: Jun 19, 2018
Wow, this really help

Sarahjh

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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