In the scientific use of the term, a "theory" is ________
a. a prediction about the outcome of a given experiment or study
b. an organized system of assumptions and principles that purports to explain a set of observations and how they are related
c. a precise definition of a term in a hypothesis, which specifies how it will be observed and measured
d. a scientist's best guess about the cause of an event or phenomenon
Answer: b
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Bonnie has been feeling extremely sad for the last two months. She has difficulty getting out of bed to face the day and has lost interest in formerly pleasurable activities. Occasionally, she thinks about committing suicide. She sounds like she may be suffering from disorder
a. manic b. antisocial personality c. bipolar d. major depressive e. functional neurological symptom
At the sixth grade dance, Angelina was taller than the other girls and literally towered over the boys. While she was anxious that she would always be the tallest, her mother told her not to worry because
a. taller girls have an easier adolescence. b. boys' growth spurt begins about 2 years after the girls' growth spurt begins. c. her mother is not the tallest, so she can't be the tallest. d. society promotes the idea of girls being taller than boys.
A sample of college students was asked how long, in minutes, they spend getting ready for a date. Consider the following output: What can you conclude from this information?
a. Ninety-five percent of the time, men will take between 9.66 and 32.67 minutes to get ready for a date.
b. Ninety-five percent of the time, the men and women will take between 9.66 and 32.67 minutes to get ready for a date.
c. This output does not provide enough information for interpretation.
d. Ninety-five percent of the time, the difference in times between men and women will be between 9.66 and 32.67 minutes.
Most medications that treat ADHD act by boosting
A. serotonin. B. dopamine. C. testosterone. D. histamine.