Eduqas A-Level Psychology A290QS
Biological Approach
Psychodynamic Approach
Behaviourist Approach
Cognitive Approach
Positive Approach
Comparing the Five Approaches
Core Studies in Social and Developmental Psychology
Planning Psychological Research
Data Handling, Statistics and Mathematical Skills
Evaluating and Validating Research
Personal Investigations and Novel Research Scenarios
Addictive BehavioursAddictive
Autistic Spectrum BehavioursAutistic spectrum
Bullying BehavioursBullying
Criminal BehavioursCriminal
SchizophreniaSchizophrenia
StressStress
Controversies in Psychology
Planning Psychological Research
Methodologies: Case studies, Cross-sectional studies and Self-reports
- 3 things to know
- Component 2
Overview
Recall questions on Case studies, Cross-sectional studies and Self-reports.
What you need to know
Answer each one before you reveal it.
Distinguish quantitative from qualitative data, giving one advantage of each.
Distinguish primary from secondary sources of data.
Questions from this subtopic
Each one with the model answer underneath.
- 1
What is a case study?
Model answer
It is an in-depth investigation of a single individual, small group or institution, usually drawing on several sources such as interviews, observations, test results and records.
- 2
Give one strength and one weakness of the case study.
Model answer
It provides rich detail about rare cases that could not be created experimentally, but the findings come from one unusual case, so they generalise poorly and often rely on retrospective and subjective accounts.
- 3
Name three brain-scanning techniques and state what each measures.
Model answer
Functional magnetic resonance imaging measures changes in blood oxygenation as an indirect index of neural activity, electroencephalography records the electrical activity of the cortex through scalp electrodes, and positron emission tomography tracks a radioactive tracer to map metabolic activity.
- 4
Give one strength and one weakness of using brain scans in psychological research.
Model answer
They give objective, non-invasive evidence about living brain function rather than relying on what people say, but they are expensive, the setting is highly artificial, and activity in a region does not prove that region causes the behaviour.
- 5
What is a longitudinal study, and what is its main practical problem?
Model answer
It follows the same participants over an extended period, re-testing them at intervals; its main problem is attrition, as participants drop out over time and those who remain may be unrepresentative.
- 6
What is a cross-sectional study, and what is a cohort effect?
Model answer
A cross-sectional study compares different groups, usually different ages, at a single point in time; a cohort effect is when an apparent developmental difference is actually caused by the groups having grown up in different eras.
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