A survey was conducted with customers of two gas suppliers – Atomic Gas and English Gas. The objective was to assess whether one group of customers spent more (in £s) on their annual gas bill than the other. Initial tests suggested the absence of normality in the dependent variable. A non-parametric test was deemed appropriate, but which do you think that the researchers should use?
A. Paired t-test
B. Mann-Whitney test
C. Wilcoxon signed-rank test
D. Independent t-test
Answer: B
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A proportional tax is best described as
a. when the poor pay a greater percentage than the wealthy. b. most fair. c. where everyone pays the same percentage. d. Robin Hood taxation. e. the wealthy pay a greater percentage than the poor.
Up to how much of the school day is devoted to questions and answers?
A) 60% B) 70% C) 80% D) 90%
Published achievement tests are least useful in which of the following situations?
A. curriculum planning B. grade assignment C. grouping students D. monitoring educational progress
To classify the different evaluation approaches, which of the following factors guide the research?
a. Use of participatory evaluation to promote stakeholders' participation. b. Provide information to improve the quality of decisions that impact programming. c. Design questions that focus on the objectives, standards and theory. d. Focus on the quality of the project that is being assessed.