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19 Cards in this Set
- Front
- Back
the data collection stage of a marketing research project can be the source of many -------- ------------, which are erros in the research process pertaining to anything except the sample size.
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non sampling errors
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errors committed by respondents when answering the questions in a survey
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respondent errors
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what are the three data collection errors with online surveys
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multiple submissions by same respondent, bogus respondents, misrepresentation of population
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the anonymity of the internet can inspire individuals to log into a questionnaire site as a fictious person or to disguise him/herself as another person
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bogus respondents and responses
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a problem with online data collection is --------- ex. not everyone you want to survey may be web illiterate
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mis representation
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defined as a failure on teh part of a prospective respondent to take part in the survey or to answer specific questions on the questionnaire.
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non response
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has been labeled as marekting research industry's biggest problem
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nonresponse
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what are the three types of non response?
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refusals to participate, break offs, and item ommission
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phrase often used to signify that some respondents refused to answer a particular question
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item omission
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in large scale projects, and especially in cases in which the data entry is performed by a subcontractor, researchers utilize a ------- which identifies all of the variable names and code numbers associated with each possible response to each question that makes up the data set.
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data code book
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basic data analyses goal with all summarization is to report as few pieces of information as possible that describe the most typical response to a question. at the same time it is vital to summarize the degree to which all the respondents share this typical response. this typical response is referred to as the ------ ----- while the expression of how typical repondents are is referred to as --------
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central tendency, variability
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what are the two types of variables based on their level of measurement:
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categorical and metric
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a summarization analysis measure for categorical variables. defined as the value in a string of values that occurs most often.
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mode
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rather than summarizing the mode, it is better to summarize the variability of responses to a categorical question using a ---------- ----------- or a summary of the PERCENT of times each and every category appears for the entire sample.
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percentage distribution
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a summary of the NUMBER of times each and every category appears for the entire sample. percentage distribution is more intutitive
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frequency distribution
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when summarizing metric variables it is best to take the ------
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mean (average)
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what are the two summarization analyses that help you to answer this question about the variability of respondents with respect to the mean.
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range and standard deviation
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identifies the distance between the lowest value and the highest values in a set of numbers
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range
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indicates the degree of variability in the metric values in such a way to be translatable into a normal bell shape curve distribution.
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standard deviation. typically 1.96
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