Do you reject or fail to reject the null hypothesis?
To study the effects of common drugs on cognitive performance, a researcher randomly assigned college students to one of three conditions. One group of students was served two cans of beer, another group was served two cups of coffee, and the third group (the control group) was served two glasses of orange juice. Then each participant was given a test of logical reasoning and the number of errors was recorded.
Alcohol Caffeine Orange Juice/Control
15 9 6
20 8 4
10 10 10
12 13 11
13 12 6
Ans: reject the null hypothesis
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a. be aware that students may arrive at school hungry, tired, angry or upset so take proactive steps to avoid negative outcomes. b. diverse learners are accustomed to living in unpredictable environments and never find changing activities or spaces difficult, so it is not necessary to provide advanced warning for transitions, schedule changes, etc. c. students should be told what behavior is expected so they are aware of what is acceptable or unacceptable at any given time. d. students should be strategically grouped to take advantage of individual strengths.
A frequent criticism of Piaget's work on the development of cognition in young children is that
a. he underestimated children's cognitive abilities because the tasks he used were often too difficult for them to solve. b. he misjudged children's capabilities because of his ill-defined criteria for success. c. he suggested that preoperational children's abilities were much more advanced than they really are. d. the age of his subjects often did not correspond to the cognitive stage he was attempting to describe.
Emotional intelligence qualities:
a.Can be learnedb.Use a defined methodologyc.Have no use for the leadership in early care and education
Which statement about the teaching through problem solving approach is most accurate?
A) Requires a four-step approach to problem solving. B) Rarely requires students to use alternative methods for problem solving. C) Can only be used with certain problem solving tasks. D) It is closely associated with teaching for problem solving.