Considering alternative perspectives can broaden your thinking.
Consider other people's views.
Reframing to consider alternative perspectives
Review and consider alternative assumptions
Review and consider alternative methods/rules
Review and consider alternative solutions/visions
Constrain resources or make them limitless
Brainstorming
Behavioural
Cognitive
Social
Psychological
Ethical and philosophical
Historical
Religious
Scientific
Teaching and learning
Leadership and management
Individuals versus the team
Cognitive diversity
Differential diagnosis
Brainstorming
Design
Another way to consider alternative views is to think about first principles and challenge assumptions