14 Aug these are for "kimanthi22 only" How much to answer these in short answer format? Thanks
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Why are repeated scores on most variables always different from one another?
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5.
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What is the difference between continuous and discrete variables?
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6.
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What are some reasons why we use tests?
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7.
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What are some advantages and disadvantages to using multiple choice questions?
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8.
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Describe the basic procedure involved in setting up to conduct an item analysis.
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9.
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Why is it important to be unobtrusive when observing behavior?
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10.
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What are the five basic assumptions when using a questionnaire?
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11.
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What makes a good questionnaire?
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12.
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Discuss the characteristics of a good cover letter and why it is helpful to have one.
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13.
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What is a measure of central tendency?
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14.
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Why isn’t the range the best measure of variability?
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15.
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What is the difference between the mean, median, and mode?
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16.
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Give an example of when you would use the median as the measure of central tendency.
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17.
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Why is the sum of the deviation about the mean always 0?
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18.
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What are some characteristics of a normal curve?
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19.
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Why should we use standard scores instead of raw scores?
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These are for research in professional studies classes. What would you charge me?
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