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Emily naturally blinks whenever her sister pretends she is going to poke her in the eye. her sister, a psychology major, then decides to have a little fun. she pairs the word “psychology” (neutral stimulus) with pretending to poke emily in the eye (unconditioned stimulus), which automatically makes emily blink (unconditioned response). soon, emily blinks as soon as she hears the word “psychology.” when emily blinks when hearing the word “psychology,” even when her sister does not pretend to poke her in the eye, the word “psychology’ is now the

Greg goes to a high school and observes the way students talk to each other. he makes notes on the words used, the atmosphere of the school and the way the students present themselves to each other. this is an example of a( research method.

Which of the following was not a result of early humans increasing proficiency at finding food