When an observation is initiated when specific incidents occur and continues after the incident, the researcher is using:
a. Event sampling
b. Time-interval sampling
c. Random sampling
d. Qualitative sampling
Ans: a
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An elementary science teacher wants to provide students with practice in the skill of inferring. What would be the most suitable activity?
a. Provide students specific directions for making sugar crystals and then have them follow these directions to make the crystals. b. Provide students two balloons, one filled with air and one filled with helium, and ask them to tell which goes up and which sinks. c. Provide students with a collection of bird bones and ask them to describe their common characteristics. d. Provide students with an irregularly shaped rock and ask them to measure its volume. e. All of the above f. None of the above
In the classroom library center, books should be
A) all text and no illustrations. B) kept the same throughout each semester. C) available in a range of reading levels. D) only non-fiction.
A danger of the internet is that not everything online is true or correct. This is called _____.
A. overdependence B. addiction C. inaccuracy D. laziness
Why is it useful for elementary teachers to examine their attitudes about teaching science?
a. So they will know if they like to teach science b. So they will know what science to study c. So they will know whether they will be effective science teachers d. So they will know what problems they will encounter in teaching science e. All of the above f. None of the above