The idea that explanations of phenomena and events should remain simple until the simple
explanations are no longer valid is called
A) the scientific method
B) the principle of parsimony
C) the principle of validity
D) Occam's (or Ockham's) razor
E) both B and D
E
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Young Raina is just a few months old, and her parents delight in seeing her reaction to new sights and sounds. Her mother, Lianna, bought her a new toy that hangs from the handle of her car seat and sparkles brightly. When Raina first sees this new toy,
she smiles, coos, and stares at it intently. After just a few minutes, however, Lianna is surprised to see that Raina is looking away, and appears almost bored with this new toy. Developmental psychologists refer reduced responding to a familiar stimulus as __________. a. habituation b. stimulus decay c. the repeated response effect d. disinhibition
The goal of emerging adults' self-focusing is learning to stand alone as a self-sufficient person, but emerging adults ____
a. are not able to meet this goal b. do not see self-sufficiency as a permanent state c. need nearly total assistance from their parents during this time d. have very little cognitive or financial resources to make this happen
It is quite common for deafness to remain undiagnosed into the second year of life
Indicate whether the statement is true or false
Researchers suspect that the impulsive aggressive behaviors typical of some personality
disorders may be related to deficiencies in ______. a. epinephrine c. serotonin b. acetylcholine d. dopamine