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Self-Report Methods in Psychology

The Self-Report Foundation

What are Self-Reports?

Self-report methods involve collecting data directly from participants about their thoughts, feelings, attitudes, or behaviors, usually via verbal or written responses. Self-reports are a widely used research tool in psychology, providing valuable subjective data but with associated challenges.

Methodology Outline

Self-report methods vary significantly in structure and administration, each suited to different research aims.

1

Questionnaires

Set of written questions, fixed or open-ended options.
2

Interviews

Direct verbal interaction (Structured, Semi-structured, Unstructured).
3

Rating Scales

Quantify attitudes and perceptions (Likert, Semantic Differential).

Structured Questionnaires Analysis

✅
STRENGTHSStandardized; easy to administer to large samples. Facilitates quantitative analysis and comparison across respondents. Cost-effective and quick data collection.
❌
WEAKNESSESLimited depth; fixed responses may not capture nuances. Misinterpretation of questions without researcher present. Social desirability bias or inaccurate reporting possible.

Rating Scale Types

These scales are used in both questionnaires and interviews to quantify subjective experiences.

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LIKERT SCALES

Participants indicate agreement/disagreement with statements on a scale (e.g., 1 to 5). Useful for attitudes and beliefs.
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SEMANTIC DIFFERENTIAL

Participants rate concepts between two opposite adjectives (e.g., happy–sad). Captures meaning and perception nuances.

Interview Structures

The level of structure determines the depth and comparability of the data collected.

S

Structured Interviews

Interviewer asks all participants the same set of questions in a predetermined order, often with fixed responses.
SS

Semi-Structured Interviews

Combines fixed questions with the flexibility to explore responses further or ask follow-up questions.
U

Unstructured Interviews

No formal questions; the interviewer uses open-ended conversations to explore topics broadly.

Validity & Reliability Considerations

⚠️

Critical Biases to Minimize:

  • SOCIAL DESIRABILITY BIAS: Participants may give socially acceptable answers rather than truthful ones.
  • DEMAND CHARACTERISTICS: Awareness of being studied may alter responses.
  • INTERVIEWER EFFECTS: Interviewer's behavior or tone can influence responses, especially in interviews.

Open vs. Closed Questions

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Is it true that open questions are better, even if analysis is complex?
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Open questions allow free expression but produce qualitative data that is harder to analyze. Closed questions restrict depth but provide quantitative data.

Semi-Structured Interview Trade-off

✅
STRENGTHS (Balance)Balance between reliability and depth. Allows probing for clarification. Generates rich qualitative data relevant to research aims.
❌
WEAKNESSES (Complexity)More time-consuming than structured interviews. Interviewer skill affects quality and consistency. Data can be harder to analyze.

Method Comparison Matrix

Summary of method characteristics based on time, depth, and data type.

Method Reliab. Depth Bias Data Time Cost Sample
Questionnaire High Low SD Bias Quant. Fast Low Large
Structured I High Low DC Quant. Mod. Mod. Large
Semi-Str. I Mod. High Interviewer Qual. Slow High Small
Unstruct. I Low V. High Interviewer Qual. V. Slow V. High Tiny
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Self-Report Methods Deck
Term
Self-Report Methods

What are self-report methods?

Answer
Definition

Techniques where participants provide data about their thoughts, feelings, or behaviors via verbal or written responses.

Term
Structured Questionnaire

What is a structured questionnaire?

Answer
Definition

A set of pre-set questions with fixed response options like multiple-choice or rating scales.

Term
Strengths of Structured Questionnaires

Name two strengths of structured questionnaires.

Answer
Strengths

Easy to administer to large samples and facilitates quantitative analysis.

Term
Open vs Closed Questions

What is the main difference between open and closed questions?

Answer
Difference

Open questions allow free expression; closed questions provide fixed response options.

Term
Semi-Structured Interview

What characterizes a semi-structured interview?

Answer
Definition

Combines fixed questions with flexibility to explore responses further.

Term
Unstructured Interview Weakness

What is a weakness of unstructured interviews?

Answer
Weakness

Data is complex to analyze and reliability is low.

Term
Likert Scale

What is a Likert scale?

Answer
Definition

A rating scale where participants indicate agreement or disagreement on a fixed range.

Term
Social Desirability Bias

How can social desirability bias affect self-report methods?

Answer
Effect

Participants may give answers they think are socially acceptable rather than truthful.

Term
Interviewer Skill

Why is interviewer skill important in semi-structured interviews?

Answer
Importance

It affects the quality, consistency, and depth of data collected.

Term
Ethical Considerations

What ethical considerations are essential in self-report research?

Answer
Considerations

Informed consent, confidentiality, right to withdraw, and care with sensitive topics.

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📋 Research Methods Quiz

1. What is a key advantage of structured questionnaires?

Structured questionnaires have fixed questions enabling quick data collection from many participants.

2. Which interview type allows the interviewer to explore responses with follow-up questions?

Semi-structured interviews use fixed questions plus probing for richer data.

3. What is social desirability bias?

Participants may respond in ways that make them look good rather than truthful.

4. Which type of question provides qualitative data?

Open questions allow free-form answers that are qualitative.

5. Which rating scale asks participants to rate between two opposite adjectives?

It rates concepts on a continuum between opposite adjectives (e.g., happy–sad).

📊 Results

  • Notes and Quiz
  • Psychology
  • AS Level
  • Research Methods
  • OCR