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Author Question: A major advantage of using a questionnaire for data collection is that a questionnaire: a. allows ... (Read 85 times)

rl

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A major advantage of using a questionnaire for data collection is that a questionnaire:
 
  a. allows for follow-up on subject's responses.
  b. can be distributed to large samples.
  c. eliminates all sources of bias in subject's responses.
  d. is easy to construct.

Question 2

Subjects respond to a visual analogue scale by:
 
  a. circling the correct response.
  b. drawing a mark across a 100-mm line that has bipolar anchors.
  c. marking a check in the appropriate box.
  d. selecting the best response from a set of items.



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batool

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Answer to Question 1

ANS: B
Questionnaires can be distributed to very large samples, either directly or through the mail.
Most questionnaires are anonymous so that follow-up is usually not possible.
Subjects will sometimes still answer in a biased manner, although the biases may be different types than with a face-to-face interview.
Questionnaires can be very difficult to create and require a lot of time.

Answer to Question 2

ANS: B
Subjects are asked to place a mark through a 100-mmlong line to indicate the intensity of the stimulus being measured. The line may be horizontal or vertical, and bipolar anchors are placed at either end of the line.
There is no correct answer on a visual analogue scale. The line may be horizontal or vertical, and bipolar anchors are placed at either end of the line.
There are no boxes to check with a visual analogue scale. The line may be horizontal or vertical, and bipolar anchors are placed at either end of the line.
There is no set of items from which an answer is selected. The line may be horizontal or vertical, and bipolar anchors are placed at either end of the line.




rl

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Reply 2 on: Jul 8, 2018
Great answer, keep it coming :)


xiaomengxian

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Reply 3 on: Yesterday
:D TYSM

 

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