According to the classical theory of motivation, workers are motivated by a. recognition b. better working conditions c. money d. attention from management

Workers are motivated when they are driven to drive that leads someone to work in an effective and efficient manner. The classical theory of motivation states that workers are motivated by physiological needs at most, followed by safety, social needs, esteem needs ans self-actualization. 
According to the classical theory of motivation, workers are motivated by 
money. Correct C
Money are physiological need, and also bring feeling of safety.

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