Among the following, which is the best example of a hypothesis?
A. Often times, people will go out of their way to help others.
B. Children who watch a lot of television will be more aggressive.
C. Students who review their notes each night for one hour will score significantly higher on the next day's quiz than students who do not review their notes.
D. Taking an aspirin a day helps keep the doctor away.
Answer: C
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Folklore has sayings that "birds of a feather flock together" and "opposites attract," and current research on attraction supports both sayings
a. True b. False Indicate whether the statement is true or false
A formal operational thinker and a concrete operational thinker are both presented with three beakers containing red liquid and are told that some combination of the liquids will produce a green liquid. How would the manner in which the formal thinker solves the problem most likely differ from that of the concrete thinker? a. Formal thinkers would do the problem entirely in their head and not
actually pour any liquid. b. The formal thinkers' approach would be significantly more haphazard. c. Formal thinkers would apply both animism and centration when solving the task. d. Formal thinkers would be more systematic when combining the liquids and eliminating combinations.
Which of the following characteristics of asynchronous growth violates the concept of cephalocaudal development?
a. Arms and legs mature before hands and feet. b. Hands and feet mature before arms and legs. c. Legs reach peak growth before shoulders and chest. d. Shoulders and chest reach peak growth before legs.
The most lethal component of a Type A personality is __________
a) perfectionism. b) hostility. c) time urgency. d) competition.