In Widom's study of the effects of child abuse and its impact upon later criminal offenses, she selected a sample of children with court records of being abuse victims and gathered a comparison group that were matched on gender, race, age and socioeconomic status.The technique used in this case was ____________________________.

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The technique used in this case was individual matching, as Widom selected a sample of children with court records of being abuse victims and gathered a comparison group that were matched on gender, race, age and socioeconomic status. Aggregate matching involves matching groups or communities, randomization involves assigning participants to groups randomly, and creaming involves selectively choosing participants with the highest likelihood of success. None of these techniques were used in this study.

In Widom's Study of the Effects of Child Abuse and Its