________ is the decrease in response to a stimulus that occurs after repeated presentations of the same stimulus.

According to the levels of processing framework, which student should retrieve information more successfully on classroom tests?

a) Grant, who attempts to memorize his notes b) Irene, who attempts to relate her notes to information she has learned in other classes c) Ben, who skims through the textbook while he's in class d) Jasmine, who writes down definitions of key concepts to remember for later

Genes lie behind ______ of cancers

a. 20% c. 40% b. 30% d. 80%