The process by which activities are started, directed, and continued so that physical or psychological needs or wants are met
Extrinsic motivation
Type of motivation in which a person performs an action because it leads to an outcome that is separate from or external to the person
Extrinsic motivation
Giving a child money for every 95 rating received on a report card
Intrinsic motivation
A person performs an action because the act itself is fun, rewarding, challenging, or satisfying in some internal manner
Instincts
The biologically determined and innate patterns of behavior that exist in both people and animals
Instinct approach
Approach to motivation that assumes people are governed by instincts similar to those of animals
Need
A requirement of some material (such as food or water) that is essential for survival of the organism
Drive
A psychological tension and physical arousal arising when there is a need that motivates the organism to act in order to fulfill the need and reduce the tension
Drive-reduction theory
Approach to motivation that assumes behavior arises from physiological needs that cause internal drives to push the organism to satisfy the need and reduce tension and arousal
Primary drives
Drives that involve needs of the body such as hunger and thirst
Secondary (acquired) drives
Learned through experience or conditioning, such as the need for money or social approval
Homeostasis
The tendency of the body to maintain a steady state
Need for achievement (nAch)
A need that involves a strong desire to succeed in attaining goals not only realistic ones, but also challenging ones
Need for affiliation (nAff)
The need for friendly social interactions and relationships with others
Need for power (nPow)
The need to have control or influence over others
Stimulus motive
A motive that appears to be unlearned but causes an increase in stimulation, such as curiosity
Arousal theory
Theory of motivation in which people are said to have an optimal (best or ideal) level of tension that they seek to maintain by increasing or decreasing stimulation
Yerkes Dodson law
Law stating performance is related to arousal; moderate levels of arousal lead to better performance than do levels of arousal that are too low or too high
Sensation seeker
Someone who needs more arousal than the average person
Incentives
Things that attract or lure people into action
Incentive approaches
Theories of motivation in which behavior is explained as a response to the external stimulus and its rewarding properties
Expectancy value theories
Incentive theories that assume the actions of humans cannot be predicted or fully understood without understanding their beliefs, their values, and the importance that a person attaches to those beliefs and values at any given moment in time
Maslow's Hierarchy of Needs
First humanistic theory. Maslow proposed that there are several levels of needs that a person must strive to meet before achieving the highest level of personality fulfillment
Self-actualization
According to Maslow, the point that is seldom reached at which people have sufficiently satisfied the lower needs and achieved their full human potential
Self-actualized individuals
King, Einstein, Mother Theresa
Self-determination theory (SDT)
Theory of human motivation in which the social context of an action has an effect on the type of motivation existing for the action
Autonomy
Need to be in control of one's own behavior and goals
Competence
Need to be able to master the challenging tasks of one's life
Relatedness
Need to feel a sense of belonging, intimacy, and security in relationships with others
Insulin
A hormone secreted by the pancreas to control the levels of fats, proteins, and carbohydrates in the body by reducing the level of glucose in the bloodstream
Glucagons
Hormones that are secreted by the pancreas to control the levels of fats, proteins, and carbohydrates in the body by increasing the level of glucose in the bloodstream
Leptin
Hormone identified as one of the factors that controls appetite
Ventromedial hypothalamus (VMH)
May be involved in stopping the eating response when glucose levels go up. If damaged, the person will keep on eating
Lateral hypothalamus (LH)
Influence the onset of eating when insulin levels go up. Damage to this area caused rats to stop eating to the point of starvation
Weight set point
The particular level of weight that the body tries to maintain
Basal metabolic rate (BMR)
Rate at which the body burns energy when a person is resting and is directly tied to the set point
Social components of hunger
Social cues for when meals are to be eaten
Cultural customs
Food preferences
Use of food as a comfort device or escape from unpleasantness
Obesity
A condition in which the body weight of a person is 20 percent or more over the ideal body weight for that person's height (actual percents vary across definitions)
Anorexia Nervosa
A condition in which a person reduces eating to the point that a weight loss of 15 percent below the ideal body weight or more occurs
Bulimia
A condition in which a person develops a cycle of "binging," or overeating enormous amounts of food at one sitting, and "purging," or deliberately vomiting after eating