The standard error of estimate, se, is the standard deviation of
a. the predicted scores on Y.
b. the distribution of the observed Y scores.
c. the differences between actual and predicted Y scores.
d. the X scores used to predict Y.
C
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Which of the following is a type of hypothesis than that can be generated from functional assessment?
a. functional b. developmental c. curricular d. both a and c e. all of the above
David Leech, one of your students, is constantly disrupting instruction in one of your classes. You've tried talking to him, giving him detention, and calling his parents. Nothing has worked, and you need help, feeling as though you're at your wits end. Of the following, who is the most appropriate person in the school to contact?
a. The school principal, since he or she is ultimately responsible for the school's operation. b. One of the school assistant principals, since student discipline is likely to be one of his or her duties. c. Your grade-level chairperson or department head (such as the chair of the third grade in an elementary school or the head of the English department in a middle or high school). d. The school nurse, since a chronically disruptive student is likely to have a medical problem.
Which statement about a peer-reviewed scientific process is true?
A. A peer-review process is used to ensure that only those works that are accurate and without criticism are published in the peer-reviewed literature. B. The peer-review process often includes the use of outside reviewers with no scientific background or expertise. C. The peer-review process tends to be associated with a high rate of acceptance for scientific work submitted. D. Having a work accepted by a peer review ensures that the work will be integrated into an accepted scientific body of knowledge.
A researcher selects a sample of 49 participants from a population with a mean of 12 and a standard deviation of 3.5. What is the probability of selecting a sample mean of 13 or larger from this population?
A. equal to the probability of selecting a score above the mean B. about one standard deviation below the mean C. less than .10 D. greater than .31