A group of participants took part in a year-long study of the effects of 30 minutes of physical exercise per day on the heart. At the end of the study, what are the researchers likely to report?
a) The hearts of participants are now more efficient.
b) The participants' hearts increased dramatically in size.
c) Participants' blood pressure levels are now higher than before.
d) A significant number of people suffered a heart attack during exercise.
A
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Role reversal is necessary for children to take care of their aging parent's decisionmaking responsibilities
a. True b. False Indicate whether the statement is true or false
A psychologist who states that humans are cognitive misers generally means that humans tend to ____.?
a. ?feel happy when in the company of others b. ?be mean to each other c. ?conserve cognitive resources when possible d. ?be pessimistic
A primary factor in the development of dissociative identity disorder appears to be ____.?
a. ?drug and alcohol abuse b. ?severe and chronic childhood physical or sexual abuse c. ?inherited brain abnormalities d. ?social isolation and ostracism
Which of the following is the best example of observational learning?
A) Greg hears on the radio that a huge storm is blowing in, so he cancels his trip. B) After several hours of staring at the computer screen, Marley suddenly realizes the solution to the puzzle he is trying to solve. Incorrect. This is a demonstration of insight learning, not observational learning. C) Carey figures out if she doesn't give her boss a hard time, he's a lot nicer to be around. D) Ingrid swam poorly until she noticed the efficient stroke of the man in the next lane; now her swimming is greatly improved.