For a given distribution of scores, you are told that Ó(X - µ) = 2. Which of the following is most likely true?
a. A few scores are very far above the mean.
b. This must be a negatively skewed distribution.
c. This must be a positively skewed distribution.
d. An arithmetic error was made.
e. This must be a bimodal distribution.
Ans: d
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Which of the following statements is true?
a. Validity must be present for reliability b. Reliability must be present for validity c. High reliability implies high validity d. High validity implies high reliability
While reading about the World Series of Baseball, a fourth grade class made a list of baseball
related words and then made a grid to classify the words according to their distinguishing characteristics. Those students participated in a (n): a) Elkonin Box b) phonics analysis c) miscue analysis d) semantic feature analysis
Providing a positive consequence following a desired behavior is called
A. reward systems B. positive consequences C. bribery D. plus reinforcement E. positive reinforcement
Identify the grade level associated with each counting task:
What will be an ideal response?