Features of Science (AQA A-Level Psychology): Revision Notes
Reporting Psychological Investigations
Why reporting matters in psychology
Scientific progress depends on effective communication between researchers. Psychologists must describe their research findings accurately and clearly so that other researchers can understand, evaluate, and potentially replicate their work. This systematic approach to reporting ensures that psychological knowledge can be built upon and validated through the scientific community.
Reporting psychological investigations refers to the conventional and accepted method by which psychological research is documented and published. This standardised approach allows researchers worldwide to understand and evaluate each other's work effectively.
The standardisation of research reporting in psychology has evolved over decades to create a universal language for scientific communication, enabling researchers from different countries and institutions to collaborate effectively.
Structure of a scientific report
Psychological research reports follow a standardised format consisting of twelve main sections. This consistent structure serves several important purposes:
- Enables other researchers to replicate the study
- Allows systematic evaluation of the research quality
- Facilitates clear communication of findings
- Ensures all essential information is included
The twelve sections
The Twelve Essential Sections of a Psychological Report
Understanding this structure is crucial for both writing and evaluating psychological research:
- Title - Should be clear, relevant and fully informative
- Table of contents - Optional but recommended, with page numbers
- Abstract - Research summary in approximately two sentences per main area
- Introduction - Theoretical background and rationale
- Aims - Clear statement of research objectives
- Hypotheses - Experimental and null hypotheses with significance levels
- Procedure/method - Detailed methodology enabling replication
- Findings/results - Data presentation with statistical analysis
- Discussion - Interpretation and evaluation of findings
- Conclusion - Concise summary of key findings
- References - Full citation details for all sources
- Appendices - Supporting materials and raw data
Detailed section requirements
Abstract
The abstract provides a comprehensive summary of the entire study. It typically includes two sentences each covering the theoretical background, methodology, key findings, and conclusions. This section allows readers to quickly understand the study's scope and determine its relevance to their interests.
Introduction
This section establishes the study's context and justification. It should cover relevant theoretical background, previous research findings, and any controversies in the field. The introduction uses a "funnel" approach, starting broadly and narrowing down to the specific research focus. Only directly relevant material should be included to maintain clarity and focus.
The introduction sets the stage for your entire study. Think of it as telling a story that leads logically to your specific research question - each paragraph should build towards your aims and hypotheses.
Aims and hypotheses
Aims state the research objectives clearly and concisely. Hypotheses must include both experimental/alternative hypotheses and null hypotheses, stated precisely and unambiguously. The direction of hypotheses (one-tailed or two-tailed) should be specified, along with the significance level (typically ).
Critical Requirement for Hypotheses
Both experimental/alternative AND null hypotheses must be clearly stated. Failing to include both types is a common mistake that can significantly weaken your research report.
Procedure/method
This comprehensive section enables study replication and includes several subsections:
Design covers:
- Research method choice (e.g., laboratory experiment)
- Design type (e.g., independent measures)
- Techniques used (e.g., time-sampling)
- Variable identification (IV, DV, extraneous variables)
- Ethical considerations
Participants details:
- Target population characteristics
- Sampling method used
- Sample size and recruitment procedures
- Participant naivety regarding study purpose
- Dropout rates and reasons
- Group allocation methods
Apparatus/materials describes:
- Technical equipment and its usage
- Questionnaires and assessment tools
- Any materials directly relevant to the investigation
Standardised procedure provides:
- Step-by-step methodology allowing replication
- Location and timing details
- Standardised instructions and debriefing procedures
- Reference to detailed materials in appendices
Controls explain:
- Counterbalancing techniques
- Random allocation procedures
- Single or double-blind methods
- Extraneous variable control
- Bias reduction measures
Example: Method Section Detail
For a memory experiment, your procedure might include:
- "Participants were presented with a list of 20 words for 30 seconds"
- "After a 5-minute distractor task, participants recalled as many words as possible"
- "All sessions took place in a quiet room between 10:00-16:00 to control for time-of-day effects"
Notice how specific details enable exact replication.
Findings/results
This section presents collected data through summary statistics and visual displays. Raw data is referenced but placed in appendices.
Descriptive statistics should include:
- Measures of central tendency (mean, mode, median)
- Measures of dispersion (range, standard deviation)
- Appropriate graphical representations
- Clear, unambiguous table and figure labels
Inferential statistics cover:
- Justification for statistical test selection
- Test outcomes with critical values
- Significance levels and tail direction
- Interpretation of results regarding hypothesis acceptance or rejection
Remember that your results section should be purely factual - save interpretations and explanations for the discussion section. Simply present what you found, not what it means.
Discussion
The discussion interprets findings and places them in context through several subsections:
Explanation of findings relates results back to original aims and hypotheses, explaining all findings including unexpected or contradictory ones.
Relationship to background research connects current findings with previous studies mentioned in the introduction, explaining any differences in results.
Limitations and modifications identifies potential sources of error such as measurement issues, sampling problems, or procedural flaws. Suggestions for addressing these limitations should be provided.
Implications and suggestions for future research outlines how findings contribute to psychological knowledge and suggests directions for subsequent studies.
Common Discussion Pitfall
Avoid simply restating your results in the discussion. Instead, explain what your findings mean, why they occurred, and how they fit with existing research. The discussion is where you demonstrate your understanding of the broader implications.
Conclusion and references
The conclusion provides a concise summary of key findings and their implications. References list all cited sources in standard format, enabling readers to locate original materials.
The role of peer review
Peer review is a verification process where research undergoes independent scrutiny by scientific experts before publication. This system acts as a quality philtre, helping to ensure that only scientifically valid research reaches the academic community.
The peer review process
Expert reviewers examine submitted research papers and provide feedback to journal editors. They evaluate methodology, analysis, interpretation, and overall scientific merit. This process helps identify flawed research and prevents the publication of invalid or unscientific findings.
The peer review system is considered the gold standard for assessing scientific credibility. However, with over a million research papers published annually, the system faces challenges in maintaining consistent standards across all publications.
Peer reviewers are typically researchers with expertise in the specific area of study. They volunteer their time to maintain the quality of scientific literature, though this process can sometimes take several months to complete.
Importance for scientific credibility
Peer review serves several purposes:
- Validates research methodology and analysis
- Identifies potential flaws or limitations
- Ensures research meets scientific standards
- Protects the public from accepting invalid research claims
This process is particularly important given the increasing number of scientific publications and the difficulty the general public faces in evaluating research quality independently.
Why Peer Review Matters
Without peer review, invalid or poorly conducted research could be published and potentially influence policy, practice, or further research. This quality control system is essential for maintaining public trust in psychological science.
Key Points to Remember:
- Scientific reports follow a standardised twelve-section format to ensure clear communication and enable replication
- Each section serves a specific purpose, from providing background context to interpreting findings
- The method section must contain sufficient detail to allow other researchers to replicate the study exactly
- Peer review acts as a quality control system, with expert reviewers evaluating research before publication
- Proper reporting and peer review are essential for maintaining scientific credibility and building reliable psychological knowledge