A ________ design to measure the effectiveness of a test commercial for Sears would be implemented as follows. Respondents are recruited to central theater locations in different test cities
At the central location, respondents are first administered a personal interview to measure, among other things, attitudes toward the store (O1). Then they watch a TV program, the respondents are again administered a personal interview to measure attitudes towards the store (O2). The effectiveness of the test commercial is measured as O2 - O1.
A) one-shot case study
B) pretest-posttest control group
C) static group
D) one-group pretest-posttest
D
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Free cash flow is net income less capital expenditures and dividends.
a. true b. false
Big Data is usually characterized by three Vs: volume, velocity, and variety. Which of the following statements best describes the velocity of data?
a. The amount of data available is significantly increased due to automatic data capture technologies. b. The rate at which data flow into an organization has increased due to online sales, mobile computing, smartphones, and online social networks. c. The number of sources and data formats has increased due to the increase ofdata capture technologies such as text and images from online social networks, images and voice from a camera, and voice recognition technologies, among others. d. All of the above describe the velocity of Big Data.