An expert team of scientists compared 1,000 sets of monozygotic twins reared by their biological parents The researchers asked the mothers to describe each twin. Descriptions ranged from very positive to very negative. The researchers measured personality at age 5 (including antisocial behavior as reported by kindergarten teachers) and then measured each twin's personality two years later. The results revealed .

if mothers were more negative toward one of their twins, that twin became more antisocial at age 7 than at age 5

Explanation:

An expert team of scientists compared 1,000 sets of monozygotic twins reared by their biological parents The researchers asked the mothers to describe each twin. Descriptions ranged from very positive to very negative. The researchers measured personality at age 5 (including antisocial behavior as reported by kindergarten teachers) and then measured each twin's personality two years later. The results revealed IF MOTHERS WERE MORE NEGATIVE TOWARD ONE OF THEIR TWINS, THAT TWIN BECAME MORE ANTISOCIAL AT AGE 7 THAN AT AGE 5

if mothers were more negative toward one of their twins, that twin became more antisocial at age 7 than at age 5

Explanation:

The results revealed that if mothers were more negative toward one of their twins, that twin became more antisocial at age 7 than at age 5.