Complex sentence: However, Bandura's experiments have been criticized (e.g. Gauntlett, 1995) on several at the children were motivated simply to please the experimenter rather than to be aggressive.
Split into simpler sentences: However, Bandura's experiments have been criticized (e.g. Gauntlett, 1995) on several grounds. Secondly, it may be possible that the children were motivated simply to please the experimenter rather than to be aggressive.