Stranger anxiety is best explained by:
a. A mobile infant or toddler shows distress at the appearance of a strange adult
b. A newborn prefers to look at the faces of her parents.
c. A mobile infant only uses his parents for social referencing
d. A toddler won't offer a strange adult a toy
a
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The concept of measurement develops through four stages
a. True b. False
Which of the following syllabication patterns would you teach first?
A. compound words B. single consonant (open syllable) C. double consonant (closed syllable) D. final le
A 95% confidence interval for the difference between two population means is found to be (?0.08, 0.15). Which of the following statements is true?
A. We can be 95% confident that the true difference between the population means falls between ?0.08 and 0.15. B. The probability is 0.95 that a significant difference between the population means lies between ?0.08 and 0.15. C. The probability is 0.05 that the true difference between the population means is between ?0.08 and 0.15 D. The two populations cannot have the same means.
Identify the description of an experiment of dependent events
A) The probability of drawing a certain marble out of a bag on two different tries, replacing the first marble before drawing out a second. B) Drawing two cards from a deck, if, when you draw the first, you leave it out, then draw the second. C) The probability of getting an even number after rolling a die, then rolling it again. D) The probability of obtaining heads after flipping a coin once, then a second time.