Researchers seek parents' advance permission for their children to participate in a study. This is ...

Researchers seek parents' advance permission for their children to participate in a study. This is the principle of research ethics called

a. protection from harm.
b. benefits-to-risk ratio.
c. confidentiality.
d. informed consent.

Question 2

____ are the baby's earliest vocalizations other than crying, and they appear by the age of two months.

a. Babbles
b. Transformational lexical phonemes
c. Prelinguistic fast-mappers
d. Coos

Question 3

The overriding goal of research ethics is to

a. obtain valid and reliable results.
b. discourage and detect cheating by researchers.
c. protect the participants from harm.
d. establish whether the results will generalize to other populations.

Question 4

You are in an airport and hear three 11-month-old babies babbling, each from a different racial/ethnic background (Asian, Hispanic, and European). The babbling of each of these infants will

a. sound very similar because maturation is the major determinant of language acquisition in the first year.
b. consist mainly of vowel sounds because consonant sounds don't usually emerge until 12 months of age.
c. consist mainly of two-word phrases (telegraphic speech).
d. sound very different, with each child's babbles sounding quite similar to the language heard in the child's home.

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Researchers seek parents' advance permission for their children to participate in a study. This is ...

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