Infants start making cooing sounds at about the age of __________ month(s)

Which of the following individuals illustrates a person who is closer to the peak of their reaction range?

a. Samir was born with a potential IQ of 145 (gifted IQ), was raised in an educationally enriching environment, and is a highly motivated learner. Correct. Reaction range proposes that genetics establish limits, whereas one's environment places them on that scale. This means that Samir was born with a potential of an IQ of 145 and he is living within an environment that allows him to reach his fullest potential. b. Joseppi, who was born with a potential IQ of 145 (gifted IQ), was raised in an educationally deprived environment and is an unmotivated learner. Incorrect. Joseppi has the genetic potential; however, his environment is limiting. c. Susan was born with the potential IQ of 80 (below average IQ), was raised in an educationally deprived environment and is an unmotivated learner. d. Iman, who was born with the potential IQ of 80 (below average IQ), was raised in an educationally enriching environment and is an unmotivated learner who makes little progress.

Ayahuasca is thought by some native South American tribes to produce:

a. healing properties b. telepathic effects c. pain relief d. enhanced sexual potency