When a child and the caregiver attend to an object or action, it is known as?
a. Child-directed speech
b. Operant conditioning
c. Primitive speech acts
d. Joint reference
e. None of the above
D
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Muscle Reading is designed to:
a. ?Ensure that you spend more time on your reading assignments b. ?Help you relax so that reading will eventually feel easy and effortless c. ?Increase your energy and skill as a reader d. ?All of the answer choices
The first form of communication seen in infants is ______.
A. crying B. cooing C. gesturing D. babbling
Attrition is a problem for longitudinal studies because
A. all participants are not at equal risk of being lost from the study over time. B. you cannot add new measures to the study as it goes on. C. all groups in the study must be as much the same as you can possibly make them. D. it creates a cohort effect among the participants.
Distinguish between DRO, DRI/DRA, and DRL
What will be an ideal response?