__________ is determined by the number of cycles completed by a sound wave in one second

Which of the following students provides the most accurate information about the prototype approach to semantic memory?

a. Elisabeth: "People store an abstract representation of each basic-level category. b. Lester: "The prototype approach applies only to inanimate objects." c. Horatio: "The data on the semantic-priming effect are not consistent with the prototype approach." d. Joni: "Superordinate terms tend to activate different regions of the cortex from the regions activated by basic-level terms."

Test items with p values of 0.0 or 1.0 affect the _______ of a test

a) reliability b) mean c) validity d) internal consistency