Given a set of events 
that are mutually exclusive and exhaustive and an event A, the law of total probability states that P(A) can be expressed as 
.
Definitions:
Rehabilitation Center
A specialized facility dedicated to the treatment, therapy, and recovery support of individuals recovering from illnesses, injuries, or addictions.
Attitude-change Manipulation
An experimental technique used to influence or alter participants' attitudes towards a specific object, concept, or person.
Quasi-experimental
A research design that seeks to establish cause-and-effect relationships but lacks random assignment of participants to control and experimental groups.
Attitudes
A psychological tendency expressed by evaluating a particular entity with some degree of favor or disfavor, reflecting how one feels about something.
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