The semicircular canals are filled with a fluid known as ______.
A. macula
B. endolymph
C. crista
D. ampulla
Answer: B
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Which of the following is the most likely reason that a researcher studying aggressiveness of children would choose to use naturalistic observation?
A. Naturalistic observation would allow for the most precise operational definition of aggressiveness and thus the highest degree of internal validity. B. Naturalistic observation would allow for the greatest control over the setting in which the observations were made. C. Naturalistic observation is the preferred method when moral and ethical limitations apply to the topic under investigation. D. Naturalistic observation is the preferred method when systematic manipulation of independent variables is required.
When relatives care for the mistreated child, it is referred to as ______
Fill in the blank with correct word
Spina bifida and anencephaly
a. can be cured by minor surgical procedures. b. are both genetic disorders. c. are both neural tube defects. d. have increased in frequency over the last twenty years.
Harry Harlow's famous experiments with isolated newborn monkeys provide convincing evidence that primates possess a strong ________
a. need to control their environment b. need to manipulate objects c. need for contact d. activity drive