THE PSYCHOLOGY OF EMOTIONS
CONSCIOUSNESS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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less than that between children and their biological parents.
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equal to that between identical twins reared together.
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equal to that between fraternal twins reared together.
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greater than that between ordinary siblings reared together.
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equal to that between adopted siblings reared together.
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Detailed explanation-1: -Knowing the intelligence score of one fraternal twin raised together with their sibling allows predicting the other twin’s score with an accuracy of 55%. For identical twins reared together the percentage goes up to 86%, while for identical twins reared apart the percentage drops slightly, to 76%.
Detailed explanation-2: -Twin studies show that intelligence is more highly correlated among identical twins than fraternal twins. Adoption studies show that the IQ scores of adopted children somewhat resemble those of their biological parents.
Detailed explanation-3: -Studies show that the correlations of IQ scores for identical twins reared together and for identical twins reared apart are both strong (. 86 and . 76, respectively).