A researcher tests the mean of a sample of 25 people and calculates a value of 2.51 for the t-statistic. For ? = .05 (two-tailed), which of the following is most appropriate?
a. do not reject null (p < .05)
b. do not reject null (p > .05)
c. reject null (p < .05)
d. reject null (p > .01)
c. reject null (p < .05)
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Once you have developed a task analysis, you should not change the sequence of steps, add steps, or remove steps in the analysis. This invalidates the task analysis
Indicate whether the statement is true or false
When a student who becomes physically aggressive, a special educator
a) uses physical restraints b) temporarily leaves the classroom to obtain assistance c) protects the safety of the other students d) all of the above
In a normal distribution for standardized testing of intelligence, approximately what percentage of scores fall between two standard deviations above and two standard deviations below the mean?
A. 95 percent B. 34 percent C. 48 percent D. 68 percent
The motto "Leaders are born, not made" corresponds to the __________ theory of leadership
a. Charisma b. Machiavellian c. Influence d. Trait