In an attempt to reduce the use of gasoline, a city imposed a $2.50 per gallon tax on gasoline in 2010. A researcher working for the city located data on annual gallons used for the five years leading up to the gas tax (to provide a baseline) and located data for the five years after the start of the gasoline tax (to show the consumption pattern after the tax). Which of the following best describes this study design?
a. A-B-A-B design
b. Changing-criterion design
c. Interrupted time-series design
d. Regression-discontinuity design
Ans: c
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In the study with recruitment consultants, which statement is true?
A. The type of training could be a confounding variable B. It is appropriate to analyse the results using a paired samples t-test C. The experiment has two dependent variables D. The experiment has two independent variables
Shelley is a preschool teacher who strongly agrees with Maria Montessori’s ideas of the absorbent mind and sensitive periods. Which of the following statements is Shelley most likely to make?
a. Children should be shielded from exposure to the corrupting influence of the outside world. b. Parents have the ultimate responsibility to shape the minds of children. c. Children learn best when presented with the right materials at the right times. d. Children’s minds are flooded with sensory impressions and are incapable of learning.
Creswell and Poth recommend presenting a grounded theoretical model as a ____________ or ___________.
What will be an ideal response?
Cooperative Learning models impact creative and critical thinking by:
a. reducing individual innovation and motivation. b. stimulating a greater interchange of ideas. c. presenting less complicated tasks for groups to approach together. d. hindering cooperation toward a common goal.