Indigenous psychologies can be alike when they include two different categories of psychological knowledge, explicitly, scientific and applied knowledge reflected in scientific and professional psychology. Each indigenous psychology prioritizes the two in a distinctive way. Trends do exist between more industrialized nations such as the United States. Challenges arise when trying to achieve a successful applied psychology in a culture. One challenge is finding adequate resources. Another challenge is shaping the practice of psychology to suit the circumstances a new culture. It is important to be able to understand the difference between indigenous psychologies and psychological specialties. Psychological specialties include such topics of study lifespan developmental psychology, health psychology, organizational psychology, and social psychology. Indigenous psychologies are culturally specific, and aim to describe, explain, or predict psychological phenomena from within a given culture's worldview.
