Pitfalls of Surveys
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no responses
truthfulness
faulty recall - dates
hidden bias (questions phrased for a specific answer)
vague wording (often, seldom, occasionally)
interviewer influence
voluntary response (will respond if feel strongly about a certain way)
population parameter
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, numerical measure that describes the aspect of the population
bimodal
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treatment group
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who you give the item to
non-sampling error
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error due to poor sample design (bias)
circle graph
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- wedges display proportional parts of the total population
- displayed how a total is dispersed into several categories (less than 10)
randomized experiment
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random process that prevents bias
2nd Quartile
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median
variables
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quantitative and qualitative
Sampling error
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Give this one a try later!
no responses
truthfulness
faulty recall - dates
hidden bias (questions phrased for a specific answer)
vague wording (often, seldom, occasionally)
interviewer influence
voluntary response (will respond if feel strongly about a certain way)
population parameter
Give this one a try later!
, numerical measure that describes the aspect of the population
bimodal
Give this one a try later!
treatment group
Give this one a try later!
who you give the item to
non-sampling error
Give this one a try later!
error due to poor sample design (bias)
circle graph
, Give this one a try later!
- wedges display proportional parts of the total population
- displayed how a total is dispersed into several categories (less than 10)
randomized experiment
Give this one a try later!
random process that prevents bias
2nd Quartile
Give this one a try later!
median
variables
Give this one a try later!
quantitative and qualitative
Sampling error
Give this one a try later!
