Which of the following is a central feature of failure to thrive?
A. The presence of a third copy of chromosome 21
B. The complete absence of rapid eye movement sleep
C. Feeding problem
D. Excessive growth due to hormonal imbalance
Answer: C
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In this calculation, Mean = 
what does 
stand for?
A. central tendency B. sample mode C. sample median D. sample mean
Alan always turns the aquarium light on before putting fish food into the tank. After a while, he notices that the fish swim to the top to look for the food as soon as he turns on the light. In this example, the _____ is the unconditioned stimulus.
A) presence of Alan near the aquarium B) fish swimming to the top C) fish food D) aquarium light
According to critics of the IQ test, ______.
A. practical intelligence is greater than conventional intelligence B. conventional intelligence is greater than academic intelligence C. academic intelligence is greater than conventional intelligence D. conventional intelligence is greater than practical intelligence
EEG studies of people suffering from narcolepsy reveal
A. abnormality in sleep spindles. B. protracted REM sleeping patterns. C. normal REM sleeping patterns. D. absence of sleep spindles.