A Z line is
a. a segment of myofibril
b. a type of muscle fiber.
c. the boundary of a sarcomere.
d. the path of a muscular action potential.
c
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An experimenter collected data on how well a study guide improved grades on an exam taken late in the semester compared to an exam taken early in the semester. Using a related sample means t test, the results showed that later grades were higher than early grades (t(74) = 3.64, p < .05). Which of the following was NOT an advantage of this design?
a. The design controlled for students who did poorly both times. b. The design controlled for extraneous variables like intelligence levels. c. The design controlled for carry-over effects from already having taken one exam when the second exam was administered. d. All of the above are advantages of this design.
The evolution and later reliance on our ______ system has been suggested as the reason why humans use pheromones less than other mammals as sexual cues.
A. olfactory B. color vision C. auditory D. somatosensory
If you wished to conduct a study on the outcomes of positive life events on individuals’ levels of stress, which among the following is the best option you could use?
A. You could assess stress levels of those who have recently purchased a new car. B. You could assess stress levels of those on a football team who have recently won a game. C. You could assess stress levels of those who have recently started an exercise program. D. You could assess stress levels of those who have recently gotten married.
Researcher Gisela Labouvie-Vief promoted _________, and Piaget believed in ________
a) formal operations; postformal thought. b) postformal thought; formal operations. c) postformal thought; postformal thought. d) concrete operational thought; postformal thought.