Component 1: Cognitive — Eduqas A-Level Psychology
Test yourself on Component 1: Cognitive with EDUQAS A-Level practice questions.
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Your focus
- Assumptions (including) (to include: computer analogy, internal mental processes, schemas)
- Therapy (one per approach) (to include: cognitive behavioural therapy OR rational emotive behaviour therapy)
- Classic research (to include: Loftus, E. and Palmer, J.C. (1974) Reconstruction of automobile destruction: an example of the interaction between language and memory. Journal of Verbal Learning and Verbal Behaviour, 13, 585-589)
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- Contemporary debate (to include: reliability of eye-witness testimony)
Component 1: Cognitive exam tips
Quick Revision Summary (Key Takeaway)
Component 1: Cognitive for Eduqas A-Level Psychology covers the scientific study of internal mental processes including memory, attention, and thinking. It examines key models and theories such as the multi-store model of memory, working memory model, and reconstructive memory, alongside research methods used to investigate these processes.
Topic Overview
Component 1: Cognitive explores the mental processes that underpin human behaviour, focusing on memory, attention, and thinking. You will study influential models such as the multi-store model and working memory model, as well as theories of forgetting and reconstructive memory. This topic is fundamental to understanding how psychologists investigate internal processes scientifically.
The cognitive approach is a core area of A-Level Psychology and connects to other topics like biological psychology (e.g., brain structures involved in memory) and research methods (e.g., laboratory experiments, case studies). Mastering this component will also prepare you for synoptic questions that require integrating cognitive explanations with other perspectives.
Key Concepts
- →The multi-store model of memory (Atkinson and Shiffrin, 1968) proposes three stores: sensory, short-term, and long-term, each with distinct encoding, capacity, and duration.
- →The working memory model (Baddeley and Hitch, 1974) replaces the unitary STM with an active central executive and two slave systems: the phonological loop and visuo-spatial sketchpad, later adding the episodic buffer.
- →Forgetting can be explained by interference theory (proactive and retroactive) and retrieval failure due to absence of cues (encoding specificity principle).
- →Reconstructive memory (Bartlett, 1932) suggests that memory is not a passive recording but an active reconstruction influenced by schemas, leading to distortions and confabulation.
- →Research methods in cognitive psychology include laboratory experiments (e.g., Peterson and Peterson, 1959), case studies (e.g., HM), and dual-task paradigms, each with strengths and limitations.
Examiner Tips
- 💡Always use precise terminology: 'encoding', 'capacity', 'duration', 'unitary store', 'articulatory suppression', 'phonological similarity effect', etc. Vague language loses marks.
- 💡When evaluating a model or theory, provide a balanced argument with at least two strengths and two weaknesses, each supported by evidence or real-world application.
- 💡For application questions, explicitly link the scenario to the relevant cognitive concept. For example, if a student forgets a phone number because they were distracted, link this to interference or limited capacity of STM.
Common Mistakes
- Students often think short-term memory and working memory are the same thing. In fact, the working memory model is a more dynamic, multi-component system that replaced the simple unitary STM of the multi-store model.
- Many believe that long-term memory is always accurate and permanent. However, research on reconstructive memory and eyewitness testimony shows that LTM can be distorted by schemas and post-event information.
- Some students assume that forgetting is simply due to decay over time. While decay may occur in sensory memory, interference and retrieval failure are better explanations for forgetting in STM and LTM.
Revision Plan
- 1Day 1-2: Create a detailed mind map of the multi-store model, including each store's encoding, capacity, duration, and supporting evidence (e.g., Sperling, Peterson and Peterson).
- 2Day 3-4: Learn the working memory model components and evaluate it using dual-task studies (e.g., Baddeley et al., 1975) and case studies of brain-damaged patients (e.g., KF).
- 3Day 5-6: Study theories of forgetting (interference and retrieval failure) and reconstructive memory (Bartlett, 1932). Practice applying these to real-world examples like eyewitness testimony.
- 4Day 7-8: Complete past paper questions on cognitive psychology, focusing on 6-mark and 15-mark essay questions. Use mark schemes to identify gaps.
- 5Day 9-10: Review and self-test using active recall prompts and flashcards. Focus on evaluation points and synoptic links to other topics.
Exam Question Types
- 📋Short-answer questions (2-4 marks): Define key terms or outline a model. Advice: Be concise and use precise terminology; do not waste time on irrelevant detail.
- 📋Application questions (4-6 marks): Apply cognitive concepts to a novel scenario. Advice: Identify the concept, explain it briefly, then explicitly link it to the scenario using quotes or paraphrases.
- 📋Essay questions (10-15 marks): Evaluate a model or theory. Advice: Structure your answer with an introduction, balanced evaluation points (strengths and weaknesses), and a conclusion. Use evidence and real-world applications.
- 📋Research methods questions (4-6 marks): Design or critique a study on memory. Advice: Consider variables, sampling, ethics, and controls. Use terminology like 'independent measures design', 'counterbalancing', and 'demand characteristics'.
Command Word Expectations (EDUQAS)
Outline
Provide a brief summary of the main points without detail. For example, 'Outline the multi-store model' requires naming the three stores and their basic features. No evaluation needed.
Explain
Give reasons or mechanisms to show understanding. For example, 'Explain how interference causes forgetting' requires describing proactive and retroactive interference with examples. Use 'because' or 'this leads to' to show causal links.
Evaluate
Provide a balanced argument with strengths and weaknesses, supported by evidence. For example, 'Evaluate the working memory model' requires at least two strengths and two weaknesses, each with a study or application. Conclude with an overall judgement.
How Students Lose Marks (Examiner Pitfalls)
Pitfall: Students often describe the multi-store model of memory as simply 'short-term and long-term memory' without explaining the roles of sensory memory, attention, rehearsal, or the specific encoding, capacity, and duration of each store. They also fail to link the model to empirical evidence such as Sperling (1960) or Peterson and Peterson (1959).
❌ Weak Answer (Loses Marks):The multi-store model says information goes into short-term memory and then long-term memory. It has three parts: sensory, short-term, and long-term. Information is forgotten if not rehearsed.
Example improved answer:The multi-store model (Atkinson and Shiffrin, 1968) proposes three unitary stores: sensory memory, short-term memory (STM), and long-term memory (LTM). Sensory memory has a large capacity but very brief duration (e.g., iconic memory lasts about 0.5 seconds). Attention transfers information to STM, which has a capacity of 7 plus or minus 2 items, a duration of about 18-30 seconds, and encodes acoustically. Maintenance rehearsal keeps information in STM, while elaborative rehearsal transfers it to LTM, which has unlimited capacity and duration and encodes semantically. Evidence includes Peterson and Peterson (1959), who found recall of trigrams declined rapidly after 18 seconds without rehearsal, supporting the short duration of STM, and Sperling (1960), who demonstrated the large capacity but brief duration of sensory memory.
Examiner Tip: Always name the model's authors, outline each store's encoding, capacity, and duration, and cite at least one supporting study with a brief description of its findings. Use the term 'unitary store' to show precise understanding.
Pitfall: When evaluating the working memory model, students often list strengths and weaknesses without linking them to specific components or real-world applications. They may confuse the phonological loop with the visuo-spatial sketchpad or fail to explain how dual-task studies support the model.
❌ Weak Answer (Loses Marks):The working memory model is better than the multi-store model because it explains more. It has four parts: central executive, phonological loop, visuo-spatial sketchpad, and episodic buffer. It is supported by research but some people say it is too complicated.
Example improved answer:The working memory model (Baddeley and Hitch, 1974) is a strength because it provides a more active, multi-component view of STM than the multi-store model. The central executive is a limited-capacity attentional system that allocates resources to two slave systems: the phonological loop (which holds acoustic information and has a phonological store and articulatory control process) and the visuo-spatial sketchpad (which holds visual and spatial information). The episodic buffer (added by Baddeley, 2000) integrates information across modalities and links to LTM. Evidence from dual-task studies supports the model: Baddeley et al. (1975) found participants recalled fewer digits when simultaneously completing a visual task than when completing a verbal task, suggesting separate systems for visual and verbal information. However, the central executive is criticised for being vague and difficult to test, and the model does not fully explain how information is transferred to LTM.
Examiner Tip: For evaluation, use the 'PEEL' structure: Point, Evidence, Explain, Link. Always link strengths or weaknesses to a specific component or study. For example, 'A strength of the phonological loop is that it explains why word length affects recall, as shown by the word-length effect.'
Step-by-Step Worked Solutions
Question: Explain how the multi-store model of memory accounts for the serial position effect observed in free recall tasks. (6 marks)
- 1.Step 1: Define the serial position effect: the tendency to recall words at the beginning (primacy effect) and end (recency effect) of a list better than those in the middle.
- 2.Step 2: Link the primacy effect to the multi-store model: early words are rehearsed more and transferred to long-term memory (LTM), so they are recalled well.
- 3.Step 3: Link the recency effect to the multi-store model: last words are still in short-term memory (STM) at the time of recall, so they are also recalled well.
- 4.Step 4: Explain the middle words: they receive less rehearsal and are displaced from STM by later words, so they are forgotten.
- 5.Step 5: Conclude that the serial position effect supports the distinction between STM and LTM as separate stores with different properties.
Final Answer: The multi-store model explains the serial position effect by attributing primacy to LTM (due to rehearsal) and recency to STM (due to recent presentation). Middle items are lost from STM and not transferred to LTM, resulting in poorer recall. This supports the model's claim of separate STM and LTM stores.
Question: A psychologist conducted a study using a dual-task paradigm. Participants were asked to remember a list of digits while either (a) repeating the word 'the' aloud or (b) tapping a sequence on a keyboard. Recall was significantly worse in condition (b) than in condition (a). Using the working memory model, explain these results. (6 marks)
- 1.Step 1: Identify the components of the working memory model: central executive, phonological loop, visuo-spatial sketchpad, and episodic buffer.
- 2.Step 2: Explain condition (a): repeating 'the' aloud engages the phonological loop (articulatory suppression), but digit recall also uses the phonological loop, so both tasks compete for the same resource. However, the central executive can allocate resources, and the visual-spatial sketchpad is free.
- 3.Step 3: Explain condition (b): tapping a sequence engages the visuo-spatial sketchpad, while digit recall primarily uses the phonological loop. These are separate slave systems, so they should not interfere. However, the central executive is required to coordinate both tasks, and its limited capacity means performance suffers when both tasks demand attention.
- 4.Step 4: Compare: The greater impairment in condition (b) suggests that the central executive has limited capacity and is involved in coordinating dual tasks. The phonological loop and visuo-spatial sketchpad are separate, but the central executive is a bottleneck.
- 5.Step 5: Conclude that the results support the working memory model's distinction between slave systems and the central executive, and highlight the role of the central executive in dual-task coordination.
Final Answer: The results support the working memory model by showing that the phonological loop and visuo-spatial sketchpad are separate systems, but the central executive has limited capacity for coordinating concurrent tasks. Condition (b) likely placed greater demands on the central executive, leading to poorer digit recall.
Active Recall Memory Test
What are the three stores in the multi-store model of memory, and what are their encoding, capacity, and duration?
Key Fact: Sensory memory: encoding modality-specific (e.g., iconic, echoic), capacity large, duration less than 1 second. Short-term memory: encoding acoustic, capacity 7 plus or minus 2 items, duration 18-30 seconds. Long-term memory: encoding semantic, capacity unlimited, duration potentially permanent.
Name the four components of the working memory model and state the function of each.
Key Fact: Central executive: allocates attention and coordinates slave systems. Phonological loop: holds acoustic information (phonological store and articulatory control process). Visuo-spatial sketchpad: holds visual and spatial information. Episodic buffer: integrates information across modalities and links to LTM.
What is the difference between proactive and retroactive interference in forgetting?
Key Fact: Proactive interference occurs when old memories interfere with the recall of new information. Retroactive interference occurs when new memories interfere with the recall of old information.
What did Bartlett (1932) find in his 'War of the Ghosts' study, and what does it suggest about memory?
Key Fact: Bartlett found that participants reconstructed the story based on their own cultural schemas, changing details to make it more familiar (e.g., replacing 'canoe' with 'boat'). This suggests that memory is reconstructive and influenced by schemas, leading to distortions.
Frequently Asked Questions
What is the difference between the multi-store model and the working memory model?
The multi-store model (Atkinson and Shiffrin, 1968) views short-term memory as a single, unitary store that passively holds information. The working memory model (Baddeley and Hitch, 1974) replaces this with an active, multi-component system comprising a central executive and two slave systems (phonological loop and visuo-spatial sketchpad), later adding the episodic buffer. The working memory model is more dynamic and explains how we can perform two tasks simultaneously if they use different components.
How do I evaluate the multi-store model for a 15-mark essay?
To evaluate effectively, provide a balanced argument. Strengths: supported by evidence from Peterson and Peterson (1959) and Sperling (1960); distinguishes between STM and LTM, which is useful for understanding memory disorders like amnesia. Weaknesses: oversimplifies STM as unitary, ignoring working memory; relies on laboratory experiments with low ecological validity; does not explain how information is transferred to LTM beyond rehearsal. Conclude by stating that while influential, the model is reductionist and has been superseded by more complex models.
What are the key studies I need to know for cognitive psychology in Eduqas A-Level?
Key studies include: Sperling (1960) on sensory memory; Peterson and Peterson (1959) on STM duration; Baddeley et al. (1975) on dual-task performance and working memory; Bartlett (1932) on reconstructive memory; and Loftus and Palmer (1974) on eyewitness testimony and leading questions. You should also know case studies like HM and KF for evidence of separate memory systems.
How does the working memory model explain the word-length effect?
The word-length effect is the finding that people recall more short words than long words in a memory task. The working memory model explains this through the phonological loop: long words take longer to rehearse in the articulatory control process, so fewer can be maintained before decay. This supports the idea that the phonological loop has a limited temporal capacity.
What is reconstructive memory and how does it affect eyewitness testimony?
Reconstructive memory is the theory that memories are not exact recordings but are rebuilt each time we recall them, using schemas and prior knowledge. This can lead to distortions, such as incorporating misleading post-event information. In eyewitness testimony, this means that a witness's account may be unintentionally inaccurate, especially if leading questions are used (Loftus and Palmer, 1974). This has important implications for the criminal justice system.
How can I use research methods to critique cognitive psychology studies?
You can critique studies by considering: ecological validity (many are laboratory experiments with artificial tasks), sampling bias (often using students), demand characteristics (participants may guess the aim), and ethical issues (e.g., deception in Loftus and Palmer). Also consider whether findings are generalisable and whether alternative explanations exist. For example, Peterson and Peterson's study may lack mundane realism, as remembering trigrams is not a typical everyday task.