Behavioral
how we learn observable responses
biological
how the body and brain enable emotions, memories, and sensory experiences; how genes combine with environment to influence individual differences
cognitive
how we encode, process, store, and retrieve information
evolutionary
how the natural selection of traits has promoted the survival of genes
humanistic
How we meet our needs for love and acceptance and achieve self-fulfillment
psychodynamic
how behavior springs from unconscious drives and conflicts
social-cultural
how behavior and thinking vary across situations and cultures