What is the basic difference between McGregor's Theory X and Ouchi's Theory Z? Multiple choice question. Theory X suggests creating jobs with built-in motivation, and Theory Z proposes positive and negative reinforcement for employee behavior. Theory X addresses work methods and productivity, and Theory Z breaks down jobs into their basic steps. Theory X sets out a hierarchy of employee needs, and Theory Z recognizes only one basic need. Theory X assumes employees avoid work, and Theory Z assumes employees are hard-working