Image of two circles that overlap to show the relationship between people, power and practicalities. Within the ‘People’ part of the circle are the terms: motivation, needs, levels of energy, career experience, age, pay attitudes, personalities, training, role. Within the ‘Power’ part of the circle are the terms: groups, the leaders, inter-group relations, type of influence, leadership style, rewards and punishment, responsibilities. Within the ‘Practicalities’ part of the circle are the terms: the environment, the market, philosophies, values, norms, goals, objectives, ownership, history, career structures, size structure, change, technology. The term ‘Control systems’ sits across the line between the power and practicalities sections. The term ‘Individual skills and abilities’ sits across the line between the people and power sections. The term ‘Psychological contact’ sits across the line between the people, power and practicalities sections.