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Author Question: Describe two reasons why it is sometimes difficult to get valid data with a survey. What will be ... (Read 147 times)

ap345

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on: Jun 22, 2018
Describe two reasons why it is sometimes difficult to get valid data with a survey.
 
  What will be an ideal response

Question 2

Imagine you are interested in the relationship between age and reading ability for children between 4 and 10 years of age. Briefly summarize how you could test this using a crosssectional design.
 
  What will be an ideal response


ansleighelindsey

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Reply #1 on: Jun 22, 2018
Answer to Question 1

Answers will vary, but students should describe two reasons. For instance, people
may try to make themselves look smart or nice, wording of questions may influence
results, data may be incomplete if everyone doesn't respond, and people can be
inaccurate reporters (e.g., memory difficulties).

Answer to Question 2

The students should state that they will find several groups of children ranging in age
from 4 to 10. They will then evaluate each child's reading ability or ask parents or
teachers to do so. Finally, they will compare the children of various ages and look for
differences.


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