Dr. Jones is conducting a(n) _______________ research study. She carefully and systematically watches and records behavior, taking care to avoid affecting the subjects being studied

In all spoken languages, there are variations of sound that function as speech units and signal differences in words through combinations of vowels and consonants. These are called

a. syllables b. vocal contrasts c. feature indicators d. phonemes

When telling a story, children commonly reveal:

A) a setting component B) a protagonist C) an underlying structure D) all of the above E) none of the above