Complex sentence: Her research with J. Douglas Coatsworth study competence and resilience suggested that competence and resilience is present in all children and that all children need basic encouragement throughout development and the same basic opportunities.
Split into simpler sentences: Her research with J. Douglas Coatsworth study competence and resilience. They find that competence and resilience both takes place in all children and that all children need basic encouragement throughout development and the same basic opportunities.