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Author Question: __________ is the extent to which a study or research instrument accurately measures what it is ... (Read 79 times)

Kthamas

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__________ is the extent to which a study or research instrument accurately measures what it is supposed to measure.
 
  a. Validity
 b. Reliability
 c. Predictability
 d. Variability

Question 2

The world's _____ countries are nations with highly industrialized economies technologically advanced industrial, administrative, and service occupations; and relatively high levels of national and personal income.
 
  a. high-income b. middle-income
 c. superordinate-income d. subordinate-income



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gabrielle_lawrence

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Answer to Question 1

a

Answer to Question 2

a





 

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