Research Methods in Psychology
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Questions and Answers

What type of reinforcement involves adding a reward to increase a behavior?

  • Negative Punishment
  • Negative Reinforcement
  • Positive Punishment
  • Positive Reinforcement (correct)

Stimulus generalization occurs when a specific stimulus is the only one to elicit a conditioned response.

False (B)

What is the Law of Effect in instrumental conditioning?

Behaviors followed by positive consequences are more likely to be repeated, while those followed by negative consequences are less likely to be repeated.

In positive punishment, an unpleasant stimulus is ______ to decrease a behavior.

<p>added</p> Signup and view all the answers

Match the type of reinforcement or punishment with its example:

<p>Positive Reinforcement = Giving a speeding ticket Negative Reinforcement = Turning off an alarm Positive Punishment = Taking away a toy Negative Punishment = Giving a child candy for cleaning their room</p> Signup and view all the answers

Which of the following best defines a dependent variable?

<p>The outcome measured to determine the effect of the IV. (A)</p> Signup and view all the answers

In a between-participant design, the same participants are assigned to all conditions of the independent variable.

<p>False (B)</p> Signup and view all the answers

What is the prime factor that defines a confounding variable?

<p>A factor other than the independent variable that may affect the dependent variable.</p> Signup and view all the answers

The _____ is a stimulus that naturally triggers a response.

<p>Unconditioned Stimulus</p> Signup and view all the answers

Match the following terms with their definitions:

<p>Acquisition = The learned response to the conditioned stimulus Conditioned Response = The process of forming an association between the CS and US Extinction = The reduction of the CR when the CS is presented without the US Spontaneous Recovery = The reappearance of a previously extinguished CR</p> Signup and view all the answers

What is the p-value significance threshold commonly used in research?

<p>0.05 (A)</p> Signup and view all the answers

In classical conditioning, spontaneous recovery occurs immediately after extinction occurs.

<p>False (B)</p> Signup and view all the answers

Identify an example of an unconditioned response.

<p>Salivating at the sight of food.</p> Signup and view all the answers

Flashcards

Independent Variable (IV)

The factor a researcher changes to see its effect on something else.

Dependent Variable (DV)

The outcome measured in a study to see how it changes with the IV.

Confounding Variable

An unexpected factor that might influence the results of a study, other than the IV.

Within-Participant Design

Each participant experiences all conditions of an Independent Variable.

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Between-Participant Design

Different participants are put into different conditions of the Independent Variable.

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T-Test

A statistical test that checks if the average difference between two groups is meaningful.

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Unconditioned Stimulus (US)

Something that naturally causes a reaction in an organism.

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Conditioned Stimulus (CS)

A stimulus that becomes associated with an unconditioned stimulus (US) and causes a learned response.

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Stimulus Generalization

When similar stimuli to the conditioned stimulus (CS) trigger a conditioned response (CR).

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Stimulus Discrimination

The ability to tell the difference between the conditioned stimulus (CS) and other similar stimuli.

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Positive Reinforcement

Adding something desirable to increase a behavior.

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Variable Ratio Schedule

Reinforcement given after a random number of responses.

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Law of Effect

Behaviors followed by good outcomes are repeated, while those followed by bad outcomes are not.

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Study Notes

Research Methods

  • Independent Variable (IV): The factor researchers change to see its impact. Example: study time (variable hours) in a test performance study.
  • Dependent Variable (DV): The measured outcome affected by the IV. Example: test scores.
  • Confounding Variable: Factors besides the IV that might influence the DV. Example: sleep quality impacting test results in a study on studying methods.
  • Within-Participant Design: One group experiences all conditions of the IV. Example: Measuring reaction times before and after caffeine for a group.
  • Between-Participant Design: Different groups experience different IV conditions. Example: One group studies with music, another without, comparing impact.
  • T-Test: A statistical test to see if differences between two groups are meaningful. Example: Comparing test scores between two teaching methods.
  • P-Value: The likelihood of results if the 'no difference' assumption is true; significant if below 0.05.

Classical Conditioning

  • Unconditioned Stimulus (US): Naturally triggers a response. Example: food causing salivation.
  • Unconditioned Response (UR): Automatic response to the US. Example: salivating at food.
  • Conditioned Stimulus (CS): A previously neutral stimulus associated with the US. Example: a bell paired with food.
  • Conditioned Response (CR): Learned response to the CS. Example: salivating at the bell's sound.
  • Acquisition: Forming the association between CS and US. Example: Repeatedly pairing bell and food.
  • Extinction: Reducing CR when CS is presented without US. Example: No salivation when bell rings without food.
  • Spontaneous Recovery: Reappearance of an extinguished CR after a break.
  • Stimulus Generalization: Similar stimuli elicit the CR. Example: Salivating at different bell sounds.
  • Stimulus Discrimination: Distinguishing between CS and other stimuli. Example: Salivating only at a specific bell sound.

Instrumental Conditioning

  • Law of Effect: Behaviors with positive consequences are repeated, negative consequences lead to less repetition.
  • Positive Reinforcement: Giving a reward to increase a behavior. Example: Candy for cleaning a room.
  • Negative Reinforcement: Removing negative stimulus to increase behavior. Example: Alarms stop when the seatbelt is fastened.
  • Positive Punishment: Adding unpleasant stimulus to decrease behavior. Example: Speeding ticket.
  • Negative Punishment: Removing pleasant stimulus to decrease behavior. Example: Removing a toy for hitting.
  • Fixed Ratio: Reinforcement after a set number of actions. Example: Bonus after 10 sales.
  • Variable Ratio: Reinforcement following a changing number of behaviors. Example: Slot machine win.
  • Fixed Interval: Reinforcement after a specific time. Example: Weekly paycheck.
  • Variable Interval: Reinforcement after changing time periods. Example: Unpredictable pop quizzes.

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Description

Explore the fundamentals of research methods in psychology through this quiz. Delve into concepts such as independent and dependent variables, confounding variables, and different experimental designs. Test your understanding of statistical concepts like T-tests and P-values as you navigate through these essential research principles.

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