Which of the following experimental designs would B.F. Skinner be least likely to implement?
A. measuring reaction times during a test of auditory recognition
B. measuring salivary levels of dogs after ringing a bell that has been paired with food
C. recording pigeon behavior after repeated positive reinforcement in the form of food
D. measuring
Ans: A
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The key to a memory script is that it
a. is almost always stored as a "fuzzy trace.". b. cannot be mentally rehearsed. c. represents a typical sequence of events. d. is found in sensory register but not long-term storage.
Which statement about prenatal rubella is true?
A) The greatest damage occurs when rubella strikes during the fetal period. B) The organ damage inflicted by prenatal rubella can lead to lifelong health problems. C) Routine vaccination has made new rubella outbreaks extremely rare worldwide. D) Infection during the embryonic period is less harmful than during other prenatal periods.
Down syndrome is linked to:
a. alcohol abuse by the father. b. abnormalities of the 21st pair of chromosomes. c. sex-linked chromosomal abnormalities. d. alcohol abuse by the mother.
If ? = .25, then (1–?)100% = ______ of all intervals computed as m ± z?/2(?m) will capture ?.
a. 75% b. 50% c. 97.5% d. 95%