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Question
A researcher was observing how children play on playground equipment at a public park. The observers were out in the open and parents were told that their children were being observed. This type of observation is called _____ observation.a. visible
b. primary
c. ethnographic
d. obtrusive
Answer
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Related questions
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Sketch an example of each of the following (be sure to label everything clearly):
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The independent samples t-test tests the differences between means taken from two independent samples or groups.
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Q:
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a. examine the actual means for each group
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In a study comparing the means of two groups in which there are 45 males in Group 1 and 37 females in Group 2, the degrees of freedom for this study when using the t-test for the difference between means is:
a. 84
b. 80
c. 82
d. 160
Q:
In using the t-test to compare the means of two groups, the degrees of freedom are calculated as _____.
a. n1 - n2- 2
b. n1+ n2- 2
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Checking the data collection forms to correct omissions, illegibly written responses, and the consistency of answers is called ______.
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a. analyzing the data
b. editing the data
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a. obtrusive method
b. unobtrusive method
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All of the following are examples of an observation study EXCEPT ____.
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b. a cable laid across the street that records the number of cars that pass a certain intersection
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