Adam is an assembly line employee with Swenson Motors who is experiencing low satisfaction and lack of motivation. He feels frustrated that his job is restricted to fixing nuts and bolts on the car parts. He fears that he has no chances of advancing in his career as he cannot completely assemble a car. Based on this information and applying the Job Characteristics Model, we can reasonably conclude that Adam's low satisfaction may be due to his job

low autonomy

high task identity

low role definition

low skill variety