The study by O’Connor et al. (2000) found that institutionalized children from Romania who were adopted at an older age tended to have lower scores on a measure of cognitive ability at age 6 years. What can be concluded?
b. Lower cognitive scores were likely what led to children being placed in the institution in the first place.
c. There is a negative correlation between time spent in the institution and later cognitive scores.
d. Time spent in the institution is not correlated with cognitive scores at a later age.
Answer c. There is a negative correlation between time spent in the institution and later cognitive scores.
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