Which of the following designs are closely related conceptually?
A) experimental and non-intervention
B) correlational and causal comparative
C) historical and cross-sectional
D) historical and quasi-experimental
Ans: B
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Here is a set of scores: 5, 3, 7, 3, 6, 2, 5, 3 . The mean of this set of scores is:
a. 3 b. 4 c. 4.25 d. 4.5
Joint attention is the process of
A) looking at a stimulus within milliseconds of another person looking at the same stimulus. B) anticipating another person's focus of attention. C) one person alerting another to a stimulus via nonverbal means, such as gazing or pointing. D) two people using the same cues to help focus their attention.
Answer the following statement(s) true (T) or false (F)
A response rate of at least 75% is needed for publication.
Why did early childhood experts want to change the word discipline to guidance?
A) It sounds better B) It reflects a more positive approach C) Children might like it better D) Educators prefer frequent change