Behaviorism also called the learning perspective (where any physical action is a behavior), is a philosophy of psychology
Philosophy of psychology
Philosophy of psychology refers to issues at the theoretical foundations of modern psychology. Some of these issues are epistemological concerns about the methodology of psychological investigation...

 based on the proposition that all things that organisms do—including acting, thinking, and feeling—can and should be regarded as behavior
Behavior or behaviour refers to the actions and mannerisms made by organisms, systems, or artificial entities in conjunction with its environment, which includes the other systems or organisms around as well as the physical environment...

s, and that psychological disorders are best treated by altering behavior patterns or modifying the environment. The behaviorist school of thought maintains that behaviors as such can be described scientifically
Scientific method
Scientific method refers to a body of techniques for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge. To be termed scientific, a method of inquiry must be based on gathering empirical and measurable evidence subject to specific principles of...

 without recourse either to internal physiological events or to hypothetical constructs such as the mind
The concept of mind is understood in many different ways by many different traditions, ranging from panpsychism and animism to traditional and organized religious views, as well as secular and materialist philosophies. Most agree that minds are constituted by conscious experience and intelligent...