In an Experiment Using the Minimal Group Paradigm Based Upon

In an experiment using the minimal group paradigm based upon picture preferences,Billig and Tajfel (1973) found that children who were asked to reward other children

A) only did so when 'pressured' by at least two others
B) favoured children who, like themselves, were categorised into a group that liked the same pictures
C) acknowledged the membership of other children in a minimal way
D) rewarded all other children in a minimal way