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Home Q & A Board Science-Related Homework Help Psychology
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vietquocnguyen vietquocnguyen
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6 years ago
A test is reliable if it
 
  a. measures what it is supposed to measure
  b. gives the same result on different occasions
  c. gives valid results
  d. a and b

Question 2

The fewest number of permissible transformations are found with the ___________ scale
 
  a. nominal
  b. ordinal
  c. interval
  d. ratio

Question 3

Suppose you develop a scale of measurement for your preferences on music, such that you give country music a rating of 10 on an open-ended scale, and classical music (which you are neutral about) you give a rating of zero. Since you like pop music twice as much as you like country music, you give it a number twice as large, a rating of 20 . Since you dislike Rap music, you give it a rating of 10, to show that you dislike Rap music as much as you like country music. This scale of measurement would be
 
  a. nominal
  b. ordinal
  c. interval
  d. ratio

Question 4

A researcher records the amount of light it takes to detect a small visual stimulus in a dark room. Luminance is the variable being measured and may be thought of here as physical energy. What level of measurement is most likely involved in making this observation?
 
  a. nominal
  b. ordinal
  c. interval
  d. ratio
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tobeddstobedds
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6 years ago
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6 years ago
Thank you for helping me with this assignment of mine
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