Helen has an IQ in the average range. However, at school she is doing very poorly. She has consistently scored at two or more grade levels below the grade she is actually in. From this, a diagnostician would hypothesize that Helen most likely __________.
A. has an anxiety disorder
B. does not have a learning disability, because her IQ is only average
C. has a learning disability
D. has an intellectual disability
Answer: C
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Describing the chances that low-ability test takers will obtain each score is called the
a. dichotomous format. b. polytomous format. c. guessing threshold. d. 50% threshold.
Puberty is defined as the age at which a person ________
a. enters middle school or junior high. b. begins to be treated as an adult by others. c. experiences his or her first growth spurt. d. becomes capable of sexual reproduction.
For a scientific claim to be meaningful, it must be capable of being disproven. This is the critical thinking principle of
A) empirical investigation. B) falsifiability. C) skepticism. D) constructive alternativism.
Being prevented from getting desired or needed amounts of sleep is known as
a. hypersomnia. b. insomnia. c. sleep deprivation. d. sleep apnea.