The use of ‘baby signing' as a means of communicating with babies before they can talk
a) has been shown to delay the onset of normal speech
b) has been shown to accelerate the onset of normal speech
c) has been shown to boost scores on later cognitive assessments
d) has not been studied enough to make recommendations about whether parents should or should not use signs
d
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The National Institute of Child Health and Human Development (NICHD) recommends a ____________________ ratio of caretaker to infants and toddlers
Fill in the blank(s) with correct word
Can teachers participate in religious meetings while at school? Explain your answer
What will be an ideal response?
Researchers do not want to make a Type II error, because if their study has an effect, they want to be able to find it. Thus, they make their studies as powerful as they can. Of the following, the best way to increase the power of a study is to:
a. raise the significance level used for the study. b. use inferential statistics. c. test a large sample. d. compute fewer statistical analyses.
A research choosing to report findings about themes (from coding) in a narrative form (rich descriptions, metaphor, vignettes, etc.) is most generally engaged in:
A) survey sampling B) qualitative research C) quasi-experimental research D) counterculture research E) inferential research