In a class where students got to choose their own deadlines for three papers, students who chose to spread out their deadlines equally got better grades than those who chose to put all their deadlines at the end of the course. To interpret the meaning of these results, what control group do we need?
a. Another section where students did not have to write papers
b. Another section where students all had to spread their deadlines out equally
c. Another section where students made the same choice for two papers instead of three
d. Another section where students wrote only one paper, due at the end of the course
b
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Habituation studies are primarily used to determine whether infants:
a. can learn to associate people and emotional experiences (e.g., learning to associate seeing the parent with positive feelings) b. can learn to associate objects with sensory experiences (e.g., learning to associate honey with a sweet taste) c. can tell the difference between different things (e.g., between different lemur faces) d. have learned object names (e.g., whether they know that "dog" refers to a four-legged, furry pet that is not a cat).
Which of the following traits of "baby talk" do infants prefer?
a. The phonemes c. The high pitch b. The volume d. The content