Your family is discussing autism because a neighbor was recently diagnosed as suffering from ASD. Most of the members of the family say they are not surprised, because autism occurs in better-educated families. You recognize that this is not true, so you
tell your family that their false correlation is a result of a referral bias. They look at you with puzzlement and ask you to explain. What do you say?
a. Better educated families with autistic children tend to demand more of therapists.
b. Better educated families are more likely to seek diagnosis and treatment for their children at specialty clinics.
c. These families tend to blame themselves for their child's autism and often are the source of media reports on autism.
d. These families tend to be sought out by researchers seeking individuals to study in research on autism.
Answer: b.
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When follow-up interventions were made in the Head Start REDI program, __________.
A. there were lower high school graduation rates B. there was a reduction in aggressive and disruptive behavior C. more children were placed in special education programs D. all positive effects vanished by middle school
Cosella is conducting an experiment where she assesses how quickly teenagers can run a 100-meter race after consuming specific amounts of caffeine. She divides her sample up into three groups. Group 1 receives a glass of water with no caffeine added. Group 2 receives a glass of water with an amount of caffeine equivalent to that in one cup of coffee. Group 3 receives a glass of water with an
amount of caffeine equivalent to that in two cups of coffee. Each participant is then timed as they run the course. In this study, the independent variable is a. the previous running experience of each participant. b. the teenagers who are being studied. c. the time it takes to run the 100-meter race. d. the amount of caffeine being ingested.
According to the "________________" effect, people tend to assume that physically attractive people are superior to others in terms of a wide range of factors—intelligence, popularity, sexual warmth, etc
Fill in the blank(s) with correct word
According to the textbook, memory-enhancing drugs such as ginkgo:
A. can improve verbal, but not visual memory B. can improve visual, but not verbal memory C. can improve memory, but only in mice D. have not been found to improve memory in healthy adults