<span>Psychologists perform twin studies in order to determine the extent to which genetics influence intelligence levels. Since identical twins share 100% of their genetics, it follows that their intelligence levels should be quite similar given that intelligence is genetically determined. However, when identical twins are found to have varying intelligence levels, it indicates that external factors (or nurture) play a role in intelligence. Therefore, p</span>sychologists perform twin studies in order to determine the extent to which genetics and non-genetic factors determine intelligence levels.
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Many young people find this challenging because its a step to adulthood your not in highschool anymore so your parents arent able to tell you what to do and what not to do. young adults also will feel the preasure when go to highschool u usually pick the one your zoned too or the best one that suits you where you live. but now your looking for colleges and you have to have a certain score to get in some of them and money is also a worry to many young adults
