All of these are criteria for deciding whether an infant's behavior is intentionally communicative EXCEPT
a) he takes his conversational turn at the appropriate moment
b) he persists in attempting to communicate if he is not understood
c) he makes eye contact with the partner while gesturing or vocalizing
d) he gestures or vocalizes and waits for a response from the partner
a
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The z-scores for X and Y variables are exactly the same except they have opposite signs. The coefficient of determination is
a. 0.00. b. -1.00. c. +1.00. d. not possible to compute with this information.
If a population is divided into subpopulations and random samples are selected from all subpopulations, the sampling design is:
a. stratified sampling b. cluster sampling c. systematic sampling d. simple random sampling
Development of social skills is a goal for units, thematic learning, and projects
A. True B. False. If so, why?
Standardized tests
A. present a disadvantage to teachers because they must be administered individually. B. contain questions and test passages that usually have been checked out with numerous students. C. have national norms, but, still, regulations in most federally-funded reading programs and special education programs prohibit their use, if they are to be employed to determine a student's eligibility for the program. D. are a good choice for diagnostic testing because of their well-established reliability.