Life-Span Human Development HELP!!! TEST Q'S TRUE OR FALSE?

I need help ...please cite source. If you only have one or two answers I would appreciate it

____25. IQ = CA/MA*100.

____26. Gifted children tend to be significantly less well-adjusted than children of average intelligence.

____27. A stimulating home environment is one of the BEST predictors of a child having a high IQ.

____28. Most adults suffer drastic declines in mental abilities and IQ between age 40 and 50.

____29. The sense of pain does not change with age.

____30. Chompsky proposed that humans have an inborn mechanism for acquiring language that he called the learning acquisition device.

____31. Vygotsky saw private speech in toddlers as a sign of cognitive maturity.

____32. Intuitive theorists believe that infants are born with organized systems of knowledge.

____33. Infants who are socially deprived over a long time period can easily recover from any negative effects of this deprivation once they are given attention.

____34. Gardner's list of multiple intelligences included both musical intelligence and artistic intelligence.

____35. When tested on the visual cliff, seven-month-old infants will usually cross the cliff to reunite with their mother.