Crystallized intelligence is measured by tests of vocabulary, arithmetic, and general information

A person's __________ age refers to the amount of time (in years and months) that has passed since they were born

a. cross-sectional b. sequential c. chronological d. developmental

Which of the following is one of the benefits of a cross-sectional study?

a. It provides information about age changes. b. It can be very inexpensive. c. It can be done without using any statistical analyses. d. It can be done using a very small number of participants.