Correlations of all study variables. Note: T1 = Time 1, T2 = Time 2, Violence = total score reflecting the frequency of experiencing violence as assessed by the VEX-R; ItN = Income-to-Needs Ratio; Edu = Highest level of parental education; CS = cognitive Stimulation as assessed by the HOME; TW = total words; MLU = mean length utterance in words; NDW = number of different words; BDS = backwards digit span score to assess working memory; Simon = Simon Says score on inhibition trials to assess inhibition; DCCS = dimensional change card sort highest level passed to assess cognitive flexibility, AA = Academic achievement as measured by the Woodcock-Johnson Academic Skills Cluster * reflects p < .05, ** reflects p < .01