Module 5 Flashcards

(68 cards)

1
Q

What is classical conditioning?

A

Learning where a neutral stimulus (CS) elicits a response after being paired with an unconditioned stimulus (UCS).

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2
Q

Who first studied classical conditioning?

A

Ivan Pavlov, with his dog salivation experiments.

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3
Q

What is the difference between UCS and CS?

A

UCS naturally elicits a response; CS becomes associated with UCS and elicits the response after learning.

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4
Q

What is acquisition in classical conditioning?

A

The process of learning the association between CS and UCS through repeated pairings.

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5
Q

When is conditioning most effective?

A

When the CS precedes the UCS by a short interval (forward pairing).

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6
Q

What is extinction in classical conditioning?

A

The CR weakens when the CS is presented without the UCS.

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7
Q

What is spontaneous recovery?

A

The reappearance of a previously extinguished CR after a rest period.

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8
Q

What is generalisation in classical conditioning?

A

The tendency to produce a CR to stimuli similar to the CS.

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9
Q

What is discrimination in classical conditioning?

A

Learning to respond only to a specific CS and not similar stimuli.

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10
Q

How is classical conditioning applied to advertising?

A

Products are paired with positive UCSs (e.g., attractive people, pleasant music).

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11
Q

What was demonstrated in the Little Albert experiment?

A

Fear could be classically conditioned and generalised to similar stimuli.

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12
Q

What therapy uses classical conditioning principles?

A

Systematic desensitisation and exposure therapy for phobias.

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13
Q

What is taste aversion learning?

A

A strong one-trial learning where a flavour is associated with illness, even with long delays.

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14
Q

What is operant conditioning?

A

Learning where behaviour is modified by its consequences (reinforcement or punishment).

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15
Q

What is positive reinforcement?

A

Adding a pleasant stimulus to increase a behaviour.

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16
Q

What is negative reinforcement?

A

Removing an aversive stimulus to increase a behaviour.

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17
Q

What is punishment?

A

Adding or removing a stimulus to decrease a behaviour’s likelihood.

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18
Q

Why is punishment less effective than reinforcement?

A

It suppresses behaviour temporarily and provides little information about correct behaviour.

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19
Q

What is extinction in operant conditioning?

A

When a behaviour stops because reinforcement is no longer given.

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20
Q

What is a reinforcement schedule?

A

The pattern that defines how often a behaviour is reinforced.

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21
Q

What is continuous reinforcement?

A

Reinforcing the behaviour every time it occurs; fast learning but fast extinction.

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22
Q

What is partial reinforcement?

A

Reinforcing only some responses; slower learning but more resistant to extinction.

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23
Q

What is Humphrey’s Paradox?

A

Partial reinforcement leads to greater resistance to extinction.

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24
Q

What is shaping?

A

Reinforcing successive approximations toward a desired behaviour.

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25
What is negative reinforcement in phobia maintenance?
Avoidance behaviour removes anxiety (aversive stimulus), strengthening the phobia.
26
What is superstitious behaviour?
Behaviour maintained by accidental reinforcement.
27
What are the three stages of the Multi-Store Model?
Sensory memory, short-term memory (STM), and long-term memory (LTM).
28
What is sensory memory?
Brief storage of sensory information (250 ms) with large capacity.
29
Who demonstrated sensory memory experimentally?
George Sperling (1960) using the partial-report method.
30
What is STM capacity according to Miller (1956)?
7 ± 2 items.
31
What is STM capacity according to Cowan (2001)?
4 ± 1 items.
32
How long does information typically last in STM?
Approximately 20–30 seconds without rehearsal.
33
What process transfers information from STM to LTM?
Rehearsal.
34
What are two causes of forgetting?
Decay over time and interference from new information.
35
How large is long-term memory capacity?
Essentially unlimited.
36
How long can LTM last?
Decades or even a lifetime.
37
What did Brady et al. (2008) find about visual memory?
Participants recognised over 90% of 2,500 images after viewing them once.
38
What did Bahrick et al. (1975) show about memory retention?
People retained name-face associations for up to 50 years.
39
What is cue-based retrieval?
Using cues or mnemonics to trigger recall (e.g., method of loci, pegword).
40
What is chunking?
Grouping information into meaningful units to expand STM capacity.
41
What did Chase & Ericsson (1982) demonstrate about chunking?
A participant increased digit recall to 82 by grouping digits into meaningful sequences.
42
What are schemas?
Knowledge frameworks that organise information and fill in memory gaps (Bartlett, 1932).
43
What is the misinformation effect?
Memory distortion due to misleading information after an event (Loftus & Palmer, 1974).
44
What is a false memory?
A recollection of an event that never occurred (Loftus & Pickrell, 1995).
45
What does reconstructive memory mean?
Memory is not a perfect record but an active reconstruction based on knowledge and context.
46
What are the main types of long-term memory?
Declarative (explicit) and procedural (implicit).
47
What are declarative memory subtypes?
Episodic (events) and semantic (facts).
48
What is procedural memory?
Unconscious memory for skills and habits (e.g., riding a bike).
49
What is a concept?
A mental representation that groups objects, events, or ideas based on shared features.
50
What is the classical view of concepts?
Categories defined by necessary and sufficient features.
51
Why is the classical view inadequate?
Few categories have strict defining features (e.g., 'games').
52
What is family resemblance theory?
Category members share overlapping features without a single defining one (Rosch & Mervis, 1975).
53
What is prototype theory?
Concepts are represented by an idealised average example (Posner & Keele, 1968).
54
What is exemplar theory?
Concepts are represented by stored examples; classification is based on similarity to exemplars.
55
What are ad hoc categories?
Goal-derived categories created for a specific purpose (Barsalou, 1983).
56
What is Tversky’s (1977) finding on similarity?
Similarity depends on context; psychological distance violates triangle inequality.
57
What are the three category levels?
Superordinate (broad), basic (common), and subordinate (specific).
58
Which category level is used most frequently?
The basic level (e.g., 'dog' vs 'animal' or 'border collie').
59
How do experts differ in categorisation?
Experts use subordinate categories more precisely (Medin et al., 1997).
60
What are heuristics?
Cognitive shortcuts used for quick decision-making.
61
What is the recognition heuristic?
Choose the recognised option when comparing two items (Goldstein & Gigerenzer, 2002).
62
What is the representativeness heuristic?
Judging probability by similarity to a prototype, leading to base-rate neglect.
63
What is the conjunction fallacy?
Believing combined events are more likely than single ones (e.g., the Linda problem).
64
What is the availability heuristic?
Estimating likelihood based on ease of recall (e.g., overestimating rare but vivid events).
65
What is the anchoring effect?
Initial information biases subsequent judgments.
66
What are framing effects?
Decision outcomes depend on whether options are presented as gains or losses.
67
When are people risk-averse vs risk-seeking?
Risk-averse for gains, risk-seeking for losses.
68
What is the overall advantage and risk of heuristics?
They speed up decision-making but can lead to systematic biases.