What are the advantages and disadvantages of using an Internet sample?
What will be an ideal response?
Ans: Answers vary
Advantages: Samples can be more diverse and representative of the population; larger samples can be obtained with fewer resources and few to no restrictions on time or location of data collection, limited bias from interactions with researchers.
Disadvantages: May miss subgroups of population who are not web savvy or prefer face-to-face participation, stratified and quota samples are difficult to achieve, difficult to monitor participants while they are completing the study (i.e., may be sources of bias the researcher is unaware of).
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What is the primary reason why people's reaction times slow down as they get older?
a. Because older adults necessarily have more neurofibrillary tangles in their brains, and these tangles interfere with the cognitive processing of various tasks. b. Because older adults have a decreased ability to distinguish important from unimportant information, and thus they need more time to process a given situation. c. Because older adults have fewer "healthy" neurons, and thus neural messages take longer to process in the brain. d. Because older adults take longer to decide that they need to respond to a given situation.
Professor Morales adopts a psychoanalytic conceptualization of personality. She believes that different personality types:
A) are genetically based traits. B) simply are summary terms for a variety of learned behaviours. C) arise from attempting to meet the needs of unconscious sexual desires. D) emerge on our quest for self-actualization.
The precipitating factor for a dissociative episode is usually a(an) _____
a) episode of hallucinogen use. b) injury with loss of consciousness. c) sudden deficiency in serotonin. d) unbearable stress.
Two-year-old Sammy uses the word "truck" only to refer to his dad's vehicle. This is an example of
A) referential style. B) an overextension. C) an underextension. D) telegraphic speech.