The neural plate will eventually form to become the _____
a) cranium
b) skull
c) rectum
d) nervous system
e) cortical plate
Answer: D
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An experiment was performed to test whether caffeine in Coca-Cola would improve performance on an intelligence test. One randomly chosen group of subjects was given an 8 oz. cup of Coca-Cola containing caffeine to drink 10 minutes before taking the intelligence test. Another randomly chosen group was given an 8 oz. cup of decaffeinated Coke to drink 10 minutes before taking the test. Neither group had any food or drink for three hours before the experiment began. What are the levels or conditions of the independent variable?
a. 8 oz. of Coca-Cola b. Caffeinated and decaffeinated Coca-Cola c. Scores on the intelligence test d. 10 minutes and 10 minutes
Suppose Isaiah, Chin, Frederick, and Daniel are five years old. All of the children believe that boys are not supposed to wear dresses. Only Daniel recognizes that he will always be a boy. Only Frederick has abstract thought. Only Isaiah and Daniel can brush their teeth. Which boy is typical?
A. Isaiah B. Daniel C. Chin D. Frederick
Before planning to embark on a research venture, the authors strongly
recommended considering: A) Seek funding if the research is important B) The availability of the subjects C) Whether you can complete the research in timely fashion D) All of the above are recommended
Which statement is supported by research on sibling rivalry?
A. Sibling rivalry tends to decrease in middle childhood. B. Jealousy over attention from fathers predicts sibling conflict. C. Parental comparisons are less frequent for same-sex siblings who are close in age. D. When siblings select the same athletic and academic pursuits, rivalry is reduced.