Provide an operational definition for one of the variables.
A researcher designs a study to test whether doing yoga improves physical health.
Ans: For the independent variable, we could randomly assign people to do yoga twice a week, and randomly assign other people not to do yoga. For the dependent variable, we could measure how long it takes people to run one mile.
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Which job-hunting principle is the most controversial one?
a) Research work organizations that interest you the most. b) Know yourself well enough to know what you can offer an organization. c) Avoid personnel departments at all costs when job-hunting. d) Develop contacts with people who can help uncover more job leads.
Which of the following reflects a self-evaluation self-statement?
a. "Am I following my plan...did I look at each one?" b. "That's ok...even if I make an error, I can back up and go slowly." c. "What is it I have to do?" d. "Good—I got it!"
Most teachers:
A) create written plans of their lessons every day. B) make up their lesson plans as they go along during the class. C) feel lesson plans are unnecessary. D) mentally plan out the structure of their lessons, without writing them down.
Write a story problem for each of the following addition and subtraction problem types, using the problem 6 + 9 = 15: join result unknown, join change unknown, join start unknown, separate result unknown, part-part-whole—whole unknown, part-part-whole—part unknown, and one compare problem. Label each problem with its problem type and draw pictures to show how each problem could be modeled
with manipulative materials. What will be an ideal response?