An elementary science teacher wants to provide students with practice in the skill of defining operationally. What would be the most suitable activity?
a. The teacher provides a collection of small hardware items and asks the students to sort the items into categories.
b. The teacher obtains some butterfly chrysalises and asks students to keep track of how long it takes the chrysalises to hatch into butterflies.
c. The teacher provides the students with bar magnets, circular magnets, and spherical magnets, and asks them to identify the north and south poles of each.
d. The teacher asks students how hot they like their soup to be.
e. All of the above
f. None of the above
a. The teacher provides a collection of small hardware items and asks the students to sort the items into categories.
b. The teacher obtains some butterfly chrysalises and asks students to keep track of how long it takes the chrysalises to hatch into butterflies.
c. The teacher provides the students with bar magnets, circular magnets, and spherical magnets, and asks them to identify the north and south poles of each.
d. The teacher asks students how hot they like their soup to be.
e. All of the above
f. None of the above
d. The teacher asks students how hot they like their soup to be.
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How is the hierarchy of concepts in a unit of study portrayed in a concept map?
a. The most general concepts are shown at the top and examples are shown at the bottom. b. An example is shown at the top and general concepts are shown at the bottom. c. Examples and general concepts are shown at the top and intermediate concepts are shown at the bottom. d. General concepts, intermediate concepts, and examples are shown randomly.
Which of the following historical figures was influential in changing parenting styles to be more nurturing?
a. Jacques Rousseau b. Maria Montessori c. B. F. Skinner d. Arnold Gesell
Three of the following teachers are using scaffolding to help their students learn. Which one is not necessarily providing scaffolding?
a. Ms. Applegate gives her students a structure to follow when they write their first essay. b. Mr. Bernardo teaches a backhand tennis swing by gently guiding each student through the correct movement a few times. c. Ms. Chen gives her class some hints about how to solve an especially difficult word problem. d. Mr. Donaldson takes his students on a field trip to a local history museum.
One relative weakness of the ______ as a measure of central tendency is that it ______.
a. mode; doesn’t describe a bimodal distribution b. mean; does not take into account all of the scores c. mean; doesn’t describe a bimodal distribution d. median; is affected by outliers