Unstructured Interviews (College Board AP® Psychology): Study Guide

Unstructured interviews

• In an unstructured interview, the researcher comes to the interview without a predetermined set of questions

  • The interview is treated as a conversation, giving the participant as much freedom as possible in their responses

• Unstructured interviews typically begin with the researcher posing an open question or idea, then allowing the participant to respond freely, e.g.

  • "Tell me about a time when you felt anxious about an exam"

  • "How do you think social media affects your daily life?"

• Unstructured interviews produce qualitative data only — rich, detailed, descriptive responses that reflect the participant's individual experience

• As a qualitative measurement instrument, unstructured interviews cannot produce numerical data that can be statistically analyzed

Evaluation of unstructured interviews

Strengths

• Unstructured interviews are high in ecological validity

  • Participants have complete freedom to respond in any way they choose

  • This means their responses are more likely to reflect their genuine thoughts, feelings, and experiences

• The researcher has the flexibility to pursue unexpected or particularly significant topics that emerge during the interview

  • This can open up new insights into the research question that a predetermined set of questions would not have uncovered

Limitations

• The free-flowing nature of unstructured interviews reduces reliability

  • Participants may go into depth on irrelevant topics, change direction frequently, or become confused in their narrative

  • This makes it difficult to draw consistent conclusions across participants

• The researcher may lose objectivity due to the intimate nature of extended unstructured interviews

  • They may begin to identify with the participant and present their responses in an overly favorable light

  • This introduces social desirability bias and reducing the validity of the findings

• Qualitative data is inherently difficult to analyze objectively

  • The researcher must interpret meaning from responses, introducing subjectivity that further reduces reliability

Semi-structured interviews

• A semi-structured interview combines elements of both structured and unstructured interviews:

  • The researcher prepares some questions in advance but approaches the interview with an open mind

  • The researcher can deviate from the prepared questions if the participant:

    • says something interesting or unexpected that is worth exploring further

    • is finding a topic difficult to discuss and needs a different approach

    • is not being forthcoming and needs additional encouragement to respond

• Semi-structured interviews can produce both qualitative and quantitative data, depending on whether open or closed questions are used

• This makes semi-structured interviews a more flexible measurement instrument than either structured or unstructured interviews alone

Comparing interview types

Evaluation of semi-structured interviews

Strengths

• Semi-structured interviews combine the strengths of structured and unstructured formats

  • The prepared questions keep the interview on track and maintain focus, while the flexible elements allow participants to express themselves freely

  • This increases validity

• The structure provided by prepared questions can help participants who feel nervous

  • This makes them more likely to engage openly and honestly with the researcher

  • This further increases the validity of the data collected

Limitations

• The dual nature of semi-structured interviews can result in inconsistent data

  • Structured responses may sit awkwardly alongside free-flowing unstructured responses

  • This makes the overall data set difficult to analyze reliably

• The flexible format increases the risk that researchers inadvertently ask leading questions during unscripted sections of the interview

  • This can introduce self-report bias and invalidate participants' responses

• Self-report bias and social desirability bias are inherent limitations of semi-structured interviews

  • Participants may give inaccurate self-reported responses

  • The face-to-face format increases the likelihood that they present themselves favorably rather than truthfully

  • This reduces the validity of the findings