In which one of the following situations would you conduct exploratory research?
C) When you want to formulate problems precisely
What is the purpose of a Research Report?
A) All of these
Which of the following alternatives is an example of quantitative data?
D) Time
"Does the variable reflect what you want to measure? That is: does it make sense?"
Which type of validity are we referring to?
D) Face validity
Please consider the following question: "Are you satisfied with the performance and reliability of your iphone?
This is an example of _____ in questionnaire design.
D) Double-barreled questions
Which of the following alternatives is not a measure of dispersion?
B) Median
Which of the following statements is correct about hypothesis testing:
I. Hypothesis testing is a procedure by which claims about populations are evaluated on the basis of sample
statistics.
II. Hypothesis testing starts with the formulation of the null and alternative hypotheses.
III. When you reject a null hypothesis, you can be fully certain that this was the correct decision.
B) I and II
Which of the following assumptions should be fulfilled to conduct ANOVA analysis?
B) The population variances in each group are identical
Which of the following statements explains characteristics of the F-test statistic?
A) All of these
A key difference between practitioners and academics that are involved in market research is that managers/clients judge practitioners while reviewers judge academics.
True or False?
True
"To identify which of the three test package designs has the greatest impact on consumer attitudes and purchase intentions" is an example of a research question
True or False?
False
Bait-and-switch is when a bid is submitted at a legitimate price; however, once the contract is signed, the research company identifies some means of upgrading the study to a more expensive design.
True or False?
True
A number of potential ethical situations could occur when conducting research studies. However, while researchers have legal and professional responsibilities regarding their respondents, they do not have ethical
responsibilities when elaborating the research report.
True or False?
False
A case consists of all the observed variables that belong to an object such as customer, a company or a country.
True or False?
True
Primary data tends to be cheaper, easier to collect and sometimes it is more accurate.
True or False?
False
The most important aspect of sampling is that the sample is representative of the population.
True or False?
True
In experimental research, to examine the influence of the dependent variable(s) on the independent variable(s), treatments or stimuli are administered to the participants.
True or False?
True
The mode is calculated by ranking the data and taking the one that comes right in the middle.
True or False?
False
A Type II error occurs when a false null hypothesis is not rejected
True or False?
True
The difference between the test statistic (p-value) and the critical value α (significance level) is that the p-value is calculated using the sample and the significance level is set by the researcher before the test outcome is
observed
True or False?
True
Positive correlation is present when high values of the first variable are associated with low values of the second variable.
True or False?
False
A researcher wanted to examine how individuals' political affiliation would influence their opinion of a new tax legislation. In the survey, 120 individuals were identified as conservative and 80 as liberal. A question on the survey asked whether the respondents "agreed", "disagreed" or had "no opinion" about the tax law. The researcher believes a Chi-Square is the appropriate test for this analysis.
True or False?
True
The graph shows an example of data that has a negatively skewed distribution.
False
One way of validating the results of regression analysis is to randomly split the sample into two groups consisting of 70% and 30% of the observations. Then we estimate the regression model on both samples and check if the parameter estimates and significance levels are about the same.
True or False?
True
Bill conducted a multiple regression analysis to answer his research question. The SPSS output for multiple regression analysis is shown in the attachment.
Based on the results, which of the following statements is correct?
C) The value of R-squared = 0.764 shows that the independent variables together account for 76.4 percent of the variance in the dependent variable.
The value of F = 244.774 and p < 0.05, indicate that the dependent variable explains a significant amount of the changes in the independent variables. True or False?
True
Based on the coefficient results, which of the following statements is correct?
C) All B coefficients are positive.
If the number of red lights increases by 1, then the time that Bill takes to get to work would increase by 1.335
minutes
True or false?
True
To reduce the time it takes Bill to get to work, he has to identify the independent variable that has the strongest relationship to the dependent variable.
Which independent variable is this one?
B) Trains
One of the data requirements for regression analysis is that there is no collinearity present. Based on the
results, is collinearity a problem between the variables?
C) No, the tolerance value is above 0.10 and the VIF value is below 10.