Answer: The following statement is true.
Step-by-step explanation:
In organizational and industrial psychology, the organizational citizenship behavior also referred to as OCB is known as an individual's voluntary commitment to a company or organization which is not a part of his/her contractual work.
OCB's have been studied and researched since late 1970s. Interests in the behaviors have increased substantially. Organizational citizenship behavior has been associated to the overall company's effectiveness.