The precursor of the internal female sex organs is called the Wolffian system
Indicate whether the statement is true or false
False
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Suppose that a researcher wants to see which gender is most helpful, men or women. The researcher parks a car with a flat tire on a road and tallies the number of men and women who stop to help. What would be an example of one confounding variable in this study?
a. The men are more likely than women to be familiar with fixing a flat tire. b. The gender of the participants cannot be accurately determined. c. The operational definition of helping has not been specified with precision. d. The results probably depend upon the amount of traffic that passes by.
Which of the following is NOT a property of the connectionist approach?
A. The operation of connectionist networks is not totally disrupted by damage. B. Connectionist networks can explain generalization of learning. C. Before any learning has occurred in the network, the weights in the network all equal zero. D. The connectionist model is rather complex, and involves components like units, links, and connection weights.
Can attachment in humans fail to occur?
a. no, because it is genetic b. no, because the child will attach to anyone regardless of the amount of contact c. yes, attachment must occur within 2 months or it will never occur d. yes, but attachment bonds can be built later
The amniotic fluid
A) delivers food and oxygen to the developing organism. B) helps keep the temperature of the prenatal world constant. C) delivers nutrients and removes waste products. D) produces blood cells until the organs are mature enough to take over this function.