Which of the following is an essential facet of brainstorming?
a. Ask student groups to come up with the best answer.
b. Encourage students to volunteer any ideas that they think will work.
c. Encourage students to carefully weigh each contribution and evaluate its quality before continuing.
d. Allow only identified gifted students to participate in this high-level process.
b
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Which of the following is not possible in ex post facto research?
a. Measurement b. Observation c. Random sampling d. Random assignment e. Selection
What is the disadvantage of using a quasi-independent variable instead of an independent variable in this research?
A researcher designs a study to test whether doing yoga improves physical health.
A science teacher wants to provide students with practice in the skill of inferring. What would be the most appropriate activity?
a. Provide students with a diagram of the earth’s revolution about the sun that shows the earth’s north and south poles, and ask them to identify the location at which autumn occurs in the southern hemisphere. b. Ask students to use references to find information on at least three theories of the cause of the extinction of dinosaurs and form their own conclusion based on the evidence. c. Show students photographs of the tracks that subatomic particles made in a Wilson cloud chamber and ask them to identify the particle that caused each track. d. Have students look at several slides of stained elodea leaves under a microscope and ask them to identify the leaf that shows the greatest signs of growing. e. All of the above f. None of the above
Despite the fact that many learners in the past learned basic facts from memorization, there is strong evidence that this may not be the most effective strategy for all of the following reasons EXCEPT:
a) Many facts to memorize, and it's an inefficient process. b) When facts are memorized, students are less likely to check their work. c) Counting by ones is inefficient, students delay developing efficient reasoning strategies. d) Students are motivated when they are assessed with timed tests.