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Card 16

Front

What effect occurs when people drop out of the original sample and what effect does this have on the sample?

Back

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Card 17

Front

What is another theoretical criticism based on demographic changes?

Back

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Card 18

Front

Give an example of why the demographic changes might occur?

Back

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Card 19

Front

What is another theoretical criticism based on characteristics and repeated studies?

Back

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Card 20

Front

What effect does this have on the results?

Back

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Card 21

Front

For another criticism, what effect can occur which means what?

Back

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Card 22

Front

What effect does this have on the results?

Back

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Card 23

Front

What is a practical criticism based on time and cost?

Back

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Card 24

Front

Give an example with Parker's five year study on what?

Back

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Card 25

Front

For case studies, what are case studies?

Back

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