An Audience of 20-Year-Olds Finds a Series of Off-Color Jokes

question 164

Multiple Choice

An audience of 20-year-olds finds a series of off-color jokes highly amusing. A group of 50-year-olds finds the same jokes highly offensive. It is concluded that, as people age, their senses of humor become more rigid and narrow. The major difficulty in drawing conclusions of this sort is that ________.

• A) longitudinal studies cannot distinguish between age differences and generational differences
• B) cross-sectional studies cannot distinguish between age differences and generational differences
• C) longitudinal studies cannot distinguish between age differences and differences in the time at which measurements are taken
• D) cross-sectional studies cannot distinguish between age differences and differences in the time at which measurements are taken

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Definitions:

Controlled Collisions

Refers to purposeful interactions in particle physics experiments or in computational simulations to study fundamental properties of matter and energy.

Compact Automobiles

Smaller-sized cars that are more efficient in fuel consumption and easier to park, usually seating four to five passengers.

Mean

The average of a set of numerical values, calculated by summing them together and dividing by the number of values.

Median

The middle value in a data set, which separates the higher half from the lower half of the dataset.