What does your text suggest about the persistence of the Moro reflex or the Babinski reflex beyond six months of age?
A) It is normal and is used as a sign of neurological maturation.
B) They aid in the infant's developing social skills and emotional relationships.
C) It may signal the existence of some type of neurological problem.
D) It is due to positive or negative reinforcement.
C
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Indicate whether the statement is true or false
You hypothesize that low social class causes poor school grades. You find that the correlation between low social class and school grades is .01 ) What can you conclude?
a) Your hypothesis may be correct, but longitudinal research is indicated to reach a firm conclusion. b) Your hypothesis is probably incorrect. c) Your hypothesis has not been tested, because a correlational study cannot answer questions about cause and effect. d) It is probably poor school grades that lead to low social class.