A disadvantage of a single variable two-level experiment is that
A) it is dangerous to guess the shape of a function from two points.
B) you cannot use as many participants as in other designs.
C) the statistics you have to use are more difficult than with a one-level experiment.
D) all the choices are disadvantages.
A
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For which of the following groups do testosterone levels correlate with the violent nature of the crimes for which they were sentenced, as well as the dominance and violence they demonstrated while in prison?
a. ?male criminals b. ?female criminals c. ?neither male or female criminals d. ?both male and female criminals
According to the article on object permanence Now You See It, Now You Don't,
Piaget's research concluded that object permanence occurs at around 8 months of age. This contemporary research by Baillargeon et al. found that object permanence occurs (a) much older, at approximately 4 years (b) at 8 months, that Piaget was correct (c) much younger, at about 4 months (d) at birth
The fight-or-flight response occurs in the
A) ?cerebral cortex. B) ?parasympathetic division of the limbic system. C) ?sympathetic division of the autonomic nervous system. D) ?synaptic vesicles in the brain.
Valerie complains frequently of back and joint pains. She is always worried about her stomach bloating. She even avoids eating certain foods as she believes that she is intolerant to these foods. However, a thorough medical examination reveals no medical problem or biological cause for her complaints. From which of the following disorders is Valerie most likely suffering?
A. dissociative amnesia B. negative-symptom schizophrenia C. somatic symptom disorder D. general anxiety disorder