Thorndike's Law of Effect

Thorndike's Law of Effect is a foundational concept in behavioral psychology, positing that behaviors with satisfying outcomes are likely to recur. This principle, demonstrated through Thorndike's puzzle box experiments, has influenced educational and parenting strategies, and laid the groundwork for operant conditioning. It highlights the role of consequences in learning and behavior modification, and continues to inform behavioral management techniques.

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Exploring Thorndike's Law of Effect

Thorndike's Law of Effect, established by Edward L. Thorndike, is a key concept in behavioral psychology that explains the relationship between behaviors and their consequences. Thorndike, an influential psychologist and a past president of the American Psychological Association, introduced this law to address the shortcomings of classical conditioning theories. According to the Law of Effect, behaviors that produce satisfying outcomes are more likely to be repeated, whereas those that result in discomfort or dissatisfaction are less likely to occur again. This principle underscores the significance of consequences in the learning process and suggests that behavior is shaped by its effects.
Laboratory with transparent Skinner box, brown rat standing on levers, food dispenser and cylindrical containers on the table.

Thorndike's Pioneering Experiment and the Law of Effect

Thorndike's empirical validation of the Law of Effect came from his puzzle box experiments with animals, most notably cats. He placed a cat inside a puzzle box that could be escaped by performing a specific action, such as pressing a lever, which would then allow the cat to reach food outside. Initially, the cat's behavior was random, but through trial and error, it learned to associate the action with the reward of escaping and obtaining food. The cat's escape times became progressively faster with each trial, illustrating the Law of Effect: actions followed by positive outcomes are strengthened and more likely to be repeated.

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1

Behaviors leading to positive results tend to be ______, while those causing discomfort are ______ to be repeated, as per Thorndike's principle.

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repeated less likely

2

Thorndike's Puzzle Box Experiment Subject

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Used cats to study the Law of Effect through puzzle box trials.

3

Action Required for Escape in Thorndike's Experiment

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Cats had to press a lever to escape the puzzle box and obtain food.

4

Outcome of Repeated Trials in Thorndike's Experiment

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Cats' escape times decreased, showing actions followed by rewards are more likely repeated.

5

In ______ and education, the Law of Effect is utilized by employing rewards and consequences to mold behavior.

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parenting

6

Law of Effect - Primary Influence

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Foundation for operant conditioning, emphasizing consequences in learning.

7

Operant Conditioning - Key Concepts

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Includes reinforcement and punishment to modify behavior likelihood.

8

Positive Reinforcement - Relation to Law of Effect

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Rewards desirable behavior, exemplifying Law of Effect's principle.

9

Influencing both educational and parenting strategies, the Law of Effect guides the use of ______ and ______ to encourage positive actions.

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rewards consequences

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