In his 1943 groundbreaking paper, Leo Kanner made several statements about autism that
influenced society's understanding of the disorder throughout the 20th century. Which of the
following statement(s) has research shown to be invalid?
a. Children with autism often come from families in which parents are highly educated.
b. Autistic symptoms have biological origins.
c. Negative or neglectful social interactions between parents and their infant children tend
to lead to the development of autism.
d. a and c
e. b and c
D
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When a sparkler is twirled rapidly, people perceive a circle of light. This occurs because
A. the trail you see is caused by sparks left behind from the sparkler. B. longer light wavelengths from the sparkler produce a visual echoic effect. C. the length of iconic memory is about a fraction of a second. D. Gestalt principles work to complete the circle in our minds.
Tests that produce similar scores from one administration to the next:
a. have construct validity b. have content validity c. have been standardized d. are reliable
Mardell is in the lab studying for a physiology exam. She is studying a brain that has been dissected from the front. The brain was cut with _____ sections.
A. coronal B. sagittal C. horizontal D. transverse
The Apgar scale allows health-care workers to assign the newborn a score ranging from 0 to 2 on each of the five basic qualities, producing an overall score that can range from
a. 0 to 10. c. 5 to 10. b. 1 to 9. d. 0 to 5.