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Test 3 - Online Quiz Answers - ADV 344K Kahlor
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A firm is examining its data requirements to achieve the objectives of its research study. The management team determines that in order to get the needed data, they cannot use an observation method. Instead, it will have to do a mail survey. The team is most likely in which stage of the questionnaire design process?
Select appropriate data collection method
Which of the following is true of respondents' behavior while answering questionnaires?
With numeric alternatives, respondents tend to select central values.
Which of the following is true of a pretest?
The final evaluation of the questionnaire is obtained from a pretest.
Call records are also referred to as:
tracking approaches.
In a(n) _____, the scale questions are divided into two parts equally and the resulting parts' scores are correlated against one another.
split-half test
The scale measurement process primarily:
determines how to precisely measure each construct.
Which of the following is true about a semantic differential scale?
Only the endpoints of the scale are labeled.
The difference between a single-item scale and a multiple-item scale is that a:
single-item scale involves collecting data about only one attribute of the object being investigated.
When the correlations between independent variables in regression are high enough to cause problems, one approach is to create summated scales consisting of the independent variables that are highly correlated.
True
While studying the relationship between advertising and sales growth, a researcher determines that the relationship is sometimes weak and at other times moderate. This variation from one situation to another is the variation in the _____ of the relationship between advertising and sales growth.
strength of association
A researcher plots a scatter diagram of two variables. The dots on the plot are scattered roughly as a circle. This indicates that the relationship (covariation) between the two variables is:
very close to zero.
The coefficient of determination:
ranges from .00 to 1.0
Which of the following is true of the fundamentals of regression analysis?
The betas are the regression coefficients.
If a researcher is interested in measuring the effect of two independent variables on a dependent variable, he/she should use:
multiple regression analysis.
Which of the following statements is true of statistical significance?
Many times not all the independent variables in a regression equation will be statistically significant.
If the correlation coefficient is between 0.0 and 0.2, then there is a good chance the null hypothesis will be rejected.
False
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