Psychology

Drive Reduction Theory: Definition, Examples, and More

Drive Reduction Theory

Attempts to understand human motivation have long been of interest to psychologists. Psychologists studied living beings’ behavior and noticed that all of them followed patterns or behaviors to reach specific goals or needs. Drive theory was the basis for what was known as needs.

One of the most exciting theories of motivation is the Drive Reduction theory. It was popularized by Clark Hull in the 1940s and later extended by Kenneth Spence. It explains motivation by examining the relationship between humans and their environment.

Drive theory is the process our minds go through when trying to reach the desired goal. We have multiple drives that motivate us, and when anyone is activated, it will lead us to different behaviors to attain the desired goal. In this post, I cover more about what can be considered drive and will try to show how drive-reduction theory in psychology works.

What Is Drive-reduction Theory?

Drive reduction theory is a theory of motivation. Living beings are motivated to reduce a drive state and, in particular, explain why we take specific actions rather than others. Simply put, it was developed to explain motivation, emotion, and cognition as the result of physiological needs.

The model is founded on the idea that people are driven by three fundamental drives: hunger, thirst, and sex. These drives represent everyday biological needs that everyone has to varying degrees. Other secondary drives, such as the need for achievement, power, or security, are derived from conditioning.

According to proponents of the theory, people behave in ways that reduce these internal tensions. For instance, if an organism is cold, it will behave in a manner that warms itself up (it will seek out warm places or dress in warmer clothing). If an organism is hungry or thirsty, it will behave in a manner that satisfies its needs for food or drink.

The inspiration for the theory was the observation that organisms have many innate needs and will go to great lengths to satisfy those needs. It posits that this occurs because the satisfaction of these needs results in tension reduction—lowering the drive’s state of arousal.

What Is the Drive?

Drive is an internal stimulus that motivates an individual to attain a desired goal or end-state. It works as internal motivation and is composed of an eliciting condition and a psychological feeling state. Drive is often associated with the processes of reward, punishment, and pleasure. Furthermore, drive differs from emotion because it is a process instead of a feeling.

“A drive is a physiological state caused by a homeostatic imbalance in one or more particular physiological needs.”

In other words, it is a biological or psychological need—for example, hunger, thirst, sex, and sleep. It is a state of tension when an organism requires something lacking in its environment. For example, the need for water creates a drive that motivates the organism to seek out water.

Hull’s Drive-reduction Theory

According to Hull’s theory, the drive is the desire for a renewal of body function and reducing physiological tension. The main component of drive-reduction theory is the principle of homeostasis. This principle states that the human body strives to maintain equilibrium and balance after disturbances. 

As stated above, Hull’s theory posits that organisms are born with various innate drives, such as hunger and thirst. Each of these drives is characterized by a particular internal state that must be removed for the organism to be satisfied. Removing this internal state leads to a change in behavior (i.e., the organism eats)—for example, hunger results in eating because eating eliminates the sensation of hunger.

Drive Reduction Theory

Hull’s Mathematical Deductive Theory of Behavior

Hull’s mathematical deductive theory of behavior is a mathematically based approach to psychology and the study of motivation to understand human behavior. The formula is given below:

sER=VDKJsHR-slr-lr-sOr-sLr

Where

sER = Excitatory potential is a term often used to describe the capacity of a neuron to remain active after exposure to a stimulus, or you can say a neuron tends to fire an action potential in response to a stimulus.

V = Stimulus intensity dynamism refers to the variance in a person’s response attributed to environmental changes. It indicates that certain stimuli can drive human behavior greater than other stimuli.

D = Known as Drive strength, it is the potentiation of behavior that has been reinforced.

K = Incentive motivation is the degree to which you desire a particular goal to achieve.

J = The length of time you need to wait before trying the behavior again.

sHR = The strength of a habit is the number of times you have performed that behavior.

slr = Conditioned inhibition is how often you have done a behavior that did not get the desired result.

lr = Reactive inhibition describes fatigue that occurs after you have been active.

sOr = Random error

sLr = The reaction threshold is the minimum amount of reinforcement required to acquire a new behavior.

Criticism of Hull’s Drive-reduction Theory

While Hull’s theory was an essential part of the development of behaviorism, it was not without its detractors and criticisms around it. In his drive-reduction theory, motivation is described as a process in which a goal is presented first, and the person tries to satisfy that goal by acting. This action then results in a decrease in drive, thus giving the subject a feeling of satisfaction.

The theory is based on the assumption that we have particular wants and needs inherent within us. When these needs are satisfied, their drive is reduced. The individual feels satiated when these needs are frustrated; however, the individual experiences an increased drive to search for ways to satisfy them.

The theory has been criticized for ignoring other motivational factors. It has been argued that Hull’s version of motivation is too narrow because it deals only with our primary reinforcers and ignores how secondary reinforcers* reduce the drive.

For example: if a person has a strong desire to achieve something, they will work hard to fulfill their goal. This may contradict Hull’s theory that achievement-motivated people only work hard because they want money or power (two non-physiological motivators).

*Secondary reinforcements differ from primary reinforcers because they do not directly reduce physiological or biological needs. A person may eat food because it satisfies hunger, but they may also eat food because it tastes good. Money is another example of a secondary reinforcer.

Money does not directly decrease your physical drives, such as thirst and hunger, but it can act as a source of primary reinforcement. In this way, the money you earn can be used to satisfy those primary drives. This is because money is a social tool that allows us to access necessities such as food and shelter.

Final Thoughts

Other psychologists have widely criticized Hull’s theory of drives for being too. Drive reduction theory is one of the most influential theories for understanding human behavior, especially motivation and reinforcement. The Hullian theory of motivation has been largely abandoned by modern psychology. 

However, it is still worthwhile to understand Hull’s work’s effect on subsequent researchers and how it contributed to later theories in psychology.

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Hi, I am Happy. I'm a professional writer and psychology enthusiast. I love to read and write about human behaviors, the mind, mental health-related topics, and more.

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