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| 1 | |
The purpose of editing raw data is: |
| | A) | to guarantee that the data are uniformly entered |
| | B) | to guarantee that the data are complete |
| | C) | to guarantee that the data are accurate |
| | D) | B and C are both correct. |
| | E) | A, B, and C are all correct. |
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| 2 | |
The requirement(s) for coding are that category sets should be: |
| | A) | Exhaustive |
| | B) | Appropriate |
| | C) | Mutually exclusive |
| | D) | Defined in terms of a single dimension. |
| | E) | All of the above |
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| 3 | |
Content analysis is NOT |
| | A) | An analysis of long term and mega trends. |
| | B) | Measures the semantic "what" content of a message. |
| | C) | Measures the which aspect of media. |
| | D) | A and C are correct. |
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| 4 | |
If the answers to two questions of a questionnaire are inconsistent, editor should correct the answer as follows |
| | A) | If the correct answer is obvious, change it. |
| | B) | If the correct answer is not obvious, use consistently the first answer to minimize bias and to maximize the number of observations. |
| | C) | If the correct answer is not obvious, impute an answer randomly to minimize systematic bias and to maximize the number of observations. |
| | D) | Change the answers to both questions to "no answer". |
| | E) | A and B are correct. |
| | F) | A and C are correct. |
| | G) | A and D are correct. |
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| 5 | |
Which of the following is an incorrect instruction for survey editors? |
| | A) | Make all entries on a schedule in a distinctive colour. |
| | B) | When correcting schedules erase the original entry completely to avoid later confusion. |
| | C) | Place initials and date of editing on each schedule completed. |
| | D) | Initial all entries changed or supplied. |
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| 6 | |
Advantages of optical mark recognition include |
| | A) | respondents can not leave out questions accidentally. |
| | B) | data editing errors are reduced. |
| | C) | researchers can include non-textual elements, such as figures and photos in their questionnaires. |
| | D) | it allows researcher to design shorter questionnaires improving general response rates. |
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| 7 | |
If the distribution of a variable is left skewed,... |
| | A) | the median of the variable is smaller than the mean |
| | B) | the median of the variable is larger than the mean |
| | C) | the median and the mean of a variable are different, but one cannot say whether the mean or the median is larger. |
| | D) | the mode has always the largest value |
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| 8 | |
If the distribution of a variable is normal symmetric |
| | A) | Mean, mode and median are all the same. |
| | B) | Mean and median are the same |
| | C) | 95 % of the observations are within 2 standard deviations of the mean |
| | D) | A and C are correct. |
| | E) | B and C are correct. |
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| 9 | |
The mode of a variable is ... |
| | A) | never equal to the lowest value of a variable. |
| | B) | the most frequent value of a variable. |
| | C) | never the same as the mean. |
| | D) | A and B are both correct. |
| | E) | A and C are both correct. |
| | F) | B and C are both correct. |
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| 10 | |
Measures of spread are ... |
| | A) | kurtosis |
| | B) | variance |
| | C) | interquartile range |
| | D) | A and B are correct |
| | E) | A and C are correct |
| | F) | B and C are correct |
| | G) | A, B and C are correct |
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