Why would a constructivist science teacher want the students to use computer-based laboratory probes to gather data rather than the tried and true hands-on methods?
a. Computer-based probes are more accurate.
b. Computer-based probes can take measurements that students cannot take because of human limitations and limitations of time.
c. The computers that accompany computer-based probes can construct accurate graphs of the data collected by the probes.
d. The computers that accompany computer-based probes can perform accurate mathematical calculations from the data.
e. All of the above
f. None of the above
e. All of the above
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a. 20%. b. 30%. c. 50%. d. 70%. e. 90%.
Expressing your feelings can be difficult if
a. There is a risk of being laughed at b. They are instinctive and you cannot control them c. You want to think before you communicate them. d. The feelings are negative.
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a. one predictor variable; two or more predictor variables b. two or more predictor variables; one predictor variable c. one criterion variable; two or more criterion variables d. two or more criterion variables; one criterion variable