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Regardless of the size of the correlation value, if it is not significant, it is meaningless.
Respondents can misunderstand, guess, lose attention, suffer distractions, and suffer
respondent fatigue, which are all examples of intentional respondent error and they all
contribute to sampling error.
With a CATS system, interviews are conducted entirely by computers.
Complicated and difficult-to-answer questions should be asked at the very beginning of
the questionnaire before the respondent becomes fatigued.
The letter of authorization, because it establishes the contractual relationship between
the user and supplier firm, should always be included in the report immediately
following the table of contents. It is NOT optional.
In experimental design nomenclature, an E represents the experimental effect: that is,
the change in the dependent variable occurring due to a change in the independent
variable.
In order to implement the "right" strategy, managers must make many decisions, and
they must have objective, accurate, and timely information in order to make these
decisions correctly.
The key to establishing a monotonic relationship between two variables is determining
if there is a general direction (increasing or decreasing) between the two variables.
