A mean of 80% agreement means the data are accurate
Indicate whether the statement is true or false
False . A mean of 80% agreement does not imply accuracy – IOA simply means that 2 or more observers agreed that the behavior occurred or did not occur. Accuracy must be evaluated against a true value.
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Materials suitable for exploration by a baby who uses the palmar grasp are all EXCEPT
a. soft balls. b. hand puppets. c. bead necklaces. d. busy boxes with knobs and dials.
Why is it important to state safety rules and guidelines in positive and simple terms?
What will be an ideal response?
Which of the following is NOT one of the formal classroom management systems outlined in the text?
a. group consequence system b. contingency contract system c. token reinforcement system d. no-lose method
Answer the following statement(s) true (T) or false (F)
The sample standard deviation is equal to the square root of the sample variance.