A study compares the means of two groups, each having N = 15. If the standard deviations of the two groups are 1.67 and 2.98, what is the value for the standard error of the difference 
?
a. .19
b. .778
c. .880
d. .882
d. .882
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Which of the following statements is true?
A. It is unethical to believe that any child is not capable of learning academic and preacademic skills. B. It is unethical to waste the time of students for whom there is clear evidence that they are not capable of mastering traditional academics. C. It is unethical not to consider the particular environment in which an individual lives when making decisions about the skills to be taught. D. All of the above.
Effective teachers provide all of the following EXCEPT
a. corrective feedback b. answer keys to accompany all assignments c. lesson closure that summarizes content d. a system for monitoring student progress
Which of the following is a way that goals can be made more effective?
a. Leaving goals in a more generalized form b. Only setting long-term goals c. Examining goals closely d. Limiting goals to only one area of your life
Which of the following is an example of something produced by fusion?
A. The creation of nuclear power B. The operation of atomic bombs C. The sunlight reaching humans on Earth D. The formation of lead from a radium atom