not differ significantly in terms of sex, t(408) = 1.55, p = .12, minority status, t(408) = 1.56, p = .12, or temperament, t(394) = 1.35, p = .18. Of the 300, 295 participated at the 5-month lab visit (5 were not yet part of the sample), and were 5.34 (SD = .27) months old on average; 290 participated at the 10-month visit and were 10.31 (SD = .32) months old on average; 288 participated at the 2-year visit and were 24.88 (SD = .76) months old on average; 278 participated at the 3-year visit and were 37.12 (SD = 1.00) months old on average.
