Suppose identical twins raised apart have a correlation of .40 on a measure of some aspect of personality, and identical twins raised together have a correlation of .60 on this same measure. From these data, what can we logically conclude about this trait?
A. Nonshared environment has an impact because, even raised together, the identical twins do not show a perfect 1.00 correlation.
B. Nonshared environment has no impact because the identical twins raised apart have a lower correlation than the identical twins raised together.
C. Shared environment has no impact because identical twins raised apart have a correlation lower than 1.00.
D. Shared environment has an impact because identical twins raised apart have a correlation of .40.
Answer: A
You might also like to view...
According to the introduction of the chapter on imagery,
a. people often create mental images, but they seldom use these images in problem solving or other higher mental processes. b. students report that they use visual imagery and auditory imagery equally often. c. psychologists have conducted more research on visual imagery than any other kind of imagery. d. the first psychologists to pay attention to imagery were the radical behaviorists, in the late 1920s.
Harry goes to a psychologist because he is continually depressed. When he gets to the psychologist's office, he realizes that while he wants to end his depression it will take him far too long to tell the doctor his life story
The psychologist senses Harry's reluctance and decides to administer an objective test to reveal Harry's attitudes and feelings. The doctor administers which of the following tests? a. MMPI b. TAT c. 16PF d. Rorschach
The ventral stream projects to the
A. lateral parietal lobe and participates in the analysis of movement. B. inferior temporal lobe and participates in object recognition. C. superior parietal lobe and participates in object recognition. D. dorsal frontal lobe and participates in the analysis of movement.
Which type of reasoning involves reaching a particular conclusion on the basis of general principles?
A) abstract B) combinatorial C) reflective D) deductive