Which of the options below correctly identifies the fourth step of the scientific method?
a) Choose research measurement and research design.
b) Form a hypothesis.
c) Identify a question of scientific interest.
d) Collect data to test the hypothesis.
Answer: d
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Three-year-old-Joshua spits out his broccoli, scrunches his face and shouts, “Yuck!” His mother can’t understand why he has such a distaste for broccoli, because she finds it to be rather bland. Why might Joshua and his mother have such different reactions to the taste of broccoli??
a. ?As we get older, the overall number of taste buds decreases. b. ?The orbitofrontal cortex loses a significant number of neurons as we age. c. ?Myelinated axons connecting to the medulla become unmyelinated as we age. d. ?Hyperstimulation of taste buds in young children may produce the sensation of burning.
According to Symons (1979), all of the following characteristics of females contribute to their sexual attractiveness to males EXCEPT:
a. youth b. social status c. novelty d. health
The value r2 is called the coefficient of determination because it measures the proportion of variability in one variable that can be determined from the relationship with the other variable
Indicate whether the statement is true or false
A key to preventing obesity in children is to
A. insist that children eat everything on their plates. B. have individual servings of appropriate portions. C. vary the amount of calories children consume from day to day. D. increase the numbers of calories per pound of body weight.