What is meant by reliability? Briefly describe the different types of reliability.
What will be an ideal response?
Key terms and concepts that may be included in student responses:
? Reliability-consistency
? Test-retest reliability
? Alternate form reliability
? Internal reliability
? Interrater reliability
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Which statement about youth sports is true? a. Participating in sports seems to significantly decrease involvement in delinquent behaviors
b. When teens find a sport "stressful," they tend to compensate with greater effort. c. The greatest benefit of involvement is found with coaches who rely heavily on criticism and punishment. d. Sports involvement can provide children with the opportunity to improve social skills.
If weight in the general population is normally distributed with an average of 160 pounds and a standard deviation of 20 pounds, what is the probability of selecting someone who weighs 120 or less pounds?
What will be an ideal response?
Piaget's formal operational stage of cognitive development is marked by the first appearance of the ability to
A. conserve number and amount. B. engage in abstract, hypothetical thinking. C. form mental representations. D. perform logical operations.
Which of the following is NOT a medical use for amphetamines?
A) Treating sleeplessness B) Treating obesity C) Treating mild depression D) Treating fatigue