Frage 1
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A marketing research firm selects a random sample of adults and asks them a list of questions regarding their beverage preferences. What type of data collection is involved here?
Antworten
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An experiment.
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A survey.
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Direct observation.
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None of these choices.
Frage 2
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Which of the following statements is true regarding the design of a good survey?
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The questions should be kept as short as possible.
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A mixture of dichotomous, multiple-choice, and open-ended questions may be used.
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Leading questions must be avoided.
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All of these choices are true.
Frage 3
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Which of the following must be avoided in designing a survey?
Frage 4
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Which method of data collection is involved when a researcher counts and records the number of students wearing backpacks on campus in a given day?
Antworten
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An experiment.
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A survey.
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Direct observation.
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None of these choices.
Frage 5
Frage
A researcher conducts a study where she divides subjects into two groups, gives each group a certain treatment, and records their responses. What type of data collection is being used here?
Antworten
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An experiment.
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Direct observation.
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A survey.
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A census.
Frage 6
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The personnel director at a large company studied the eating habits of the company's employees. The director watched and recorded whether each employee brought his/her own lunch to work, ate at the company cafeteria, or went out to lunch. What method of data collection was used here?
Antworten
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Direct observation.
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An experiment.
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A survey.
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A personal interview.
Frage 7
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Which of the following data collection methods is not observational?
Frage 8
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"Wouldn't you agree that foreign cars are better than American cars?" is an example of a well-worded survey question.
Frage 9
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Self-administered surveys usually have a high response rate.
Frage 10
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In designing a survey, demographic questions must be avoided.
Frage 11
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The response rate of a survey is the proportion of all people who were selected but did not complete the survey.
Frage 12
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Experimental data tend to be more reliable, or "stronger," than survey data.
Frage 13
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An experiment involves collecting data about persons or objects by deliberately exposing them to some kind of change and comparing the results.
Frage 14
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An observational study involves collecting data about persons or objects by recording information about their selected characteristics of interest.
Frage 15
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A question on a survey that was not answered is an example of an open-ended question.
Frage 16
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A self-selected sample is the group of individuals who were randomly selected to be in the sample, then agreed to participate in the study.
Frage 17
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A self-selected sample is one in which the individuals choose themselves to be in the sample.
Frage 18
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In a(n) [blank_start]____________________[blank_end] study, there is no attempt to control factors that might influence the variable of interest.
Frage 19
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The [blank_start]____________________[blank_end] rate is the proportion of people in the sample who completed the survey.