An experiment finds that a certain male subject always has an increased heartbeat when he hears a certain piece of music. the experimenter sounds a buzzer and then plays the piece of music. the experimenter repeats this procedure until the man responds with an increased heartbeat to the sound of the buzzer alone. in this situation the unconditioned response is the:
a. increased heartbeat.
b. piece of music.
c. sound of the buzzer.
d. listening to the music.

What kind of geography deals with people and how they affect the world ?

Dr. robbins wants to know if there are different opinions regarding the value of public school education between native americans who have at least one relative who attended indian boarding school and native americans who have no family experience with indian boarding school. dr. robbins contacts 35 native american participants in each group. he wants each group to include younger as well as older adults, and a mix of male and female participants. he asks each person to complete a survey about their attitudes toward public education. the design of this study is:

Which term is synonymous with natural rights according to enlightenment philosophers legal rights divine rights positive rights universal rights