Which of these is an example of a child using knowledge of the relationship between operations to solve a problem?
A. Meredith knows that 2 + 3 = 5, and reasons that 3 + 2 = 5
B. Bonnie knows that 3 × 5 = 15, and reasons that 15 ÷ 3 = 5
C. Chabo knows that that 3 + 3 = 6, and reasons that 3 + 4 = 7
D. Srinivas knows that 15 ÷ 3 = 5, and reasons that 15 ÷ 5 = 3
Answer: B
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Of the following, the correlation coefficient that indicates the strongest relationship between the two variables being measured is:
a. ?0.89 b. +0.65 c. 0.00 d. +3.46
The behavioral school of management focused on efficiency.
Answer the following statement true (T) or false (F)
Amphetamines increase alertness by stimulating the release of dopamine in the frontal cortex
Indicate whether the statement is true or false.
If you were to examine a variety of human body cells under the microscope and look at the number of chromosomes contained in each, you would expect to see 46 chromosomes in all of the following cells EXCEPT:
a. a sperm cell b. a liver cell c. a neuron d. a white blood cell