Professor jenny is interested in the association between sleet and cognitive performance he served made his students about the number of hours they slept the night before the exam and then correlated B sources with their tennis greats he found a class 0.81 correlation between these two variables what does this result mean?
A. There is a high negative correlation between sleep and exam performance.
B. There is a low negative correlation between sleep and exam performance.
C. There is a high positive correlation between sleep and exam performance.
D. There is a low positive correlation between sleep and exam performance
Ans: C. There is a high positive correlation between sleep and exam performance.
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When you try to remember a list including "candy, sugar, sour, dessert, salty . . . ," which of these errors are you likely to make? a. You might omit all the words that start with "s."
b. You might say "sweet," which wasn't on the list. c. You might repeat the list in backward order. d. You might insist that the list had only seven words, when it really had far more.
Seventy-six-year old Sonja is thinking about what she will order for lunch as she runs out the door to pick up her friend Suzette. She shouts out to her husband, "Can you please call, um, um...what's her name... and tell her that I'm running late." She wanted to say "Suzette" but could not think of her name. Why does this often happen to older adults?
A. Crystallized memory declines. B. Working memory holds less information simultaneously. C. There is an inability to easily engage implicit memory. D. Fluid memory is blocked by working memory.
What is the main advantage of contrived observation (compared with other types of observational research)? a. It gives the researcher assurance that the observed behaviors are natural
b. It is less likely that the researcher is influencing the behaviors being observed. c. It is more efficient because the researcher does not have to wait for specific behaviors to occur naturally. d. It is less likely that the researcher will impose subjective interpretations on the data.
Relatively few traits are governed by a single pair of genes. Most traits are the result of polygenic inheritance
Indicate whether the statement is true or false