Which of the following explains the use of probability sampling?
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the likelihood of any one member of a population being selected is known |
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the likelihood any one member of a population being selected is unknown |
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randomly selecting any one member from the population is effective |
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randomly selecting any one member from the population is underestimated |
Which of the following would be considered a continuous variable?
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a) the number answered correctly on a history test |
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b) grade level in school |
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c) gender |
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d) length |
Which is considered the most precise level of measurement?
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a) ordinal |
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b) nominal |
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c) ratio |
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d) interval |
What does generalizability refers to?
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results that may be applied to different populations in different settings |
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results that apply only to the sample studied |
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convenience sampling |
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using a table of random numbers |
"When we calculate reliability, we know the observed score. What are the two unknown components of the reliability equation? "
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a) method and error scores |
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b) means and standard deviations |
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c) test-retest and inter-rater scores |
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d) true and error scores |
Q.1 Probability Sampling
The likelihood of any one member of a population being selected is unknown.
Q.2 Continuous Variable
Length is a continuous variable
Q.3 Most precise level of measurement
Nominal Scale
As the data clearly belongs to one of the categories, say a ball is either Red or Blue in a box.
Q.4 Generalizability
Results that may be applied to different populations in different settings
Which of the following explains the use of probability sampling? the likelihood of any one member...