Which of the following is true of longitudinal studies?
A) They measure units from a sample of the population at only one point in time.
B) They are often described as "snapshots" of the population.
C) They include "sample surveys."
D) They are prevalent in marketing research, outnumbering cross-sectional and causal studies.
E) They repeatedly measure the same sample units of a population over a period of time.
E
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Which of the following approaches is recommended to help users view a new system as easy to use?
A. Develop a detailed specification of the features the new system will have. B. Show the look and feel of the new system (i.e., sample computer screens, reports, etc.) well before the new system is developed in order to help users feel comfortable with it. C. Make sure all user requests are addressed as enhancements to the system in its maintenance phase. D. Provide extensive training just after the system goes into production throughout the organization.
The following balances are included in the subsidiary records of Carrollwood: Town hall building$ 500,000 Town pool (supported by user fees) 100,000 Police cars 20,000 Equipment 7,500 Office supplies 1,000 What is the total amount of general capital assets held by the town?
A. $527,500. B. $628,500. C. $528,500. D. $627,500.
As the test statistic becomes larger, the p-value
a. gets smaller b. becomes larger c. stays the same, since the sample size has not been changed d. becomes negative
The most commonly used measures of forecast accuracy are mean absolute deviation (MAD) and the ____________________
Fill in the blank(s) with correct word