One limiting factor of using Internet-based research is that:
A) it is considerably more expensive than traditional paper-and-pencil questionnaires.
B) people responding to electronic surveys believe that their responses are less anonymous and secure.
C) it is more time consuming.
D) it is vulnerable to sample-selection bias.
D
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Which of the following statements is true regarding studies that compared the frequencies of Ainsworth’s three attachment types in the United States to frequencies in Japan and Germany?
a. ?The German sample had about the same number of securely attached infants as in the United States. b. ?The German sample had many more infants with avoidant attachment than in the United States. c. ?The Japanese sample had zero cases of anxious-ambivalent attachment. d. ?The Japanese sample had higher proportions of avoidant attachments.
According to the article Sound familiar about the ability of newborns to remember speech sounds, imagine an infant is shown a picture of a dog named Barney on a video screen every ten seconds and after 15 trials, the infant no longer turns its head
toward the screen to see Barney. This would be an example of: (a) repetition (b) standardization (c) habituation (d) stimulation rejection
The cellular changes that enhance synaptic strength in the formation of a memory are called __________.
A. long-term processing B. lower-type processing C. long-term potentiation D. long-term probabilities
The basic building blocks of heredity are ______
a. cells c. genes b. atoms d. chromosomes