For centuries, men have needed women to be sexually faithful to ensure that her children are also his offspring. which theory is consistent with this explanation for faithfulness among romantic partners? humanism sociocultural theory behaviorism evolutionary theory

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

What is the term for the right to vote in elections?

The authors of the paper "fudging the numbers: distributing chocolate influences student evaluations of an undergraduate course"† carried out a study to see if events unrelated to an undergraduate course could affect student evaluations. students enrolled in statistics courses taught by the same instructor participated in the study. all students attended the same lectures and one of six discussion sections that met once a week. at the end of the course, the researchers chose three of the discussion sections to be the "chocolate group." students in these three sections were offered chocolate prior to having them fill out course evaluations. students in the other three sections were not offered chocolate. the researchers concluded that "overall, students offered chocolate gave more positive evaluations than students not offered chocolate." indicate whether the study is an observational study or an experiment. give a brief explanation for your choice.