The principal of a school conducts a survey to compare the number of third-grade and sixth-grade students who buy lunch from school. The most appropriate way to describe the results of this survey is to compare
A. group means.
B. group percentages.
C. the items purchased.
D. frequency polygons.
Answer: B
You might also like to view...
The Greek physician Galen is credited with __________.
A. providing the first biological explanation for mental disorders B. performing the first human autopsies C. arguing against the validity of the doctrine of the four humors D. separating the causes of psychological disorders into physical and mental categories
After comparing children with normal reading ability to those with specific reading disability, what have researchers concluded?
a) The problems of the reading disabled are related to attention and not to perception of visual stimuli. b) Most children with a learning disability tend to be left-handed and rely more on one eye than two eyes. c) Children with a reading disability seem to have impaired ability when the contrast between letters and background is reduced. d) Most children with their learning disability have a slight motor tic that interferes with their ability to maintain their place when reading.
Justin's parents lost their home and jobs to a hurricane and had to move to emergency housing. Justin has made friends in his new school, is keeping up his grades, and finds time to help his little brother with homework. Justin is an example of
A) extrinsic motivation. B) catastrophizing. C) resilience. D) cognitive dissonance.
Imagine that you are asked to help the researchers who conducted the National Opinion Research Center sex survey. Which of the following might make for a good and accurate title for the version of the findings intended for the general public?
a) "Sexual Behavior: More Deviant by the Day" b) "Want to be Happy and Have More Sex? Try Monogamy" c) "Hidden Perversions: How Middle-America is Changing its Sexual Habits" d) "Still Uptight After All These Years: Americans Are Talking More About Sex and Having Less"