Briefly describe the chromosomal variation that results in Down syndrome and the characteristic features of individuals born with this condition.
What will be an ideal response?
Down syndrome occurs when there is an extra 21st chromosome. The condition results in particular facial features, some degree of mental impairment, and various health problems, such as heart defects.
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Why do the authors recommend that students who are not reading point to the words as another student reads?
What will be an ideal response?
Response efficacy is affected by each of the following, except which?
A.The amount of physical effort required to produce the new communicative response compared to the problem behavior it is intended to replace B.The extent to which the new communicative response is topographically similar to the problem behavior it is intended to replace C.The density of reinforcement received for the new communicative response versus the problem behavior it is intended to replace D.The extent to which reinforcement of the new communicative response is delayed
Observing helps teachers separate facts from ___
a. lies b. truths c. inferences d. bias
Which of the following is not a research question that should be investigated with logistic regression?
A. Prediction of group membership B. Strength of association between criterion and predictors C. Differences between groups D. Interaction between predictors