The typical use effectiveness rate for spermicides is ____

According to Piaget, a child in the _____________ stage of cognitive development should be able to understand many mathematical concepts such as transitivity, but is likely to have difficulty understanding the more abstract ideas found in algebra

A) formal operational B) preoperational C) concrete operational D) sensorimotor

In Thompson and Pledger's (1993) study of the general public's knowledge of

medical terms, they found that a. 90% of the patients were able to define all words correctly b. only 10 participants could define all 50 of the words c. there was not a single word that all participants could correctly define d. both a and b e. both b and c