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Obtaining data by asking people questions and recording their answers A standardised set of question is given to each respondent; they give their answers in writing Gets you lots of data quickly and gives you an insight into people’s views, opinions and attitudes But only if they answer accurately www.psychlotron.org.uk
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Unstructured Structured Semi-structured
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Unstructured interviews are useful for investigating something that hasn’t been well studied before They have open questions that can only be analysed qualitatively They allow psychologists to discover themes that might not be immediately apparent when starting the investigation
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Structured interviews involve all participants being asked the same questions in the same order They have fixed, pre-determined questions This usually generates quantitative data
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These ask the same questions of each participant. They are more open, allowing participants to expand on their answer and ‘go off at a tangent’ if a particular question sparks their interest
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Questionnaires can be both structured and unstructured but tend to lend themselves to being highly structured We tend to use questionnaire when we want quantitative data & Interview when we want qualitative data You can however, gather both qualitative & quantitative data by both methods
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Social desirability bias – people give answers that make them ‘sound good’ rather than what they actually think Honesty – people lie! It’s impossible to control for personal interpretations of the questions
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Decide which attitudes, behaviours or traits you want to measure Decide whether you want qualitative or quantitative data Decide which sorts of questions you will ask Pilot and modify the questionnaire Collect data www.psychlotron.org.uk
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Qualitative data Rich in detail or description, usually in textual or narrative form Quantitative data Numerical data, measurements of quantity or amount www.psychlotron.org.uk
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Qualitative Rich in detail Allows for in-depth analysis BUT Difficult to analyse Difficult to compare people or groups Quantitative Easier to analyse (e.g. statistically) Easier to compare people or groups BUT Undetailed and potentially superficial www.psychlotron.org.uk
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Open questions Allow respondents to answer however they want Generate qualitative data Closed questions Restrict respondent to a predetermined set of responses Generate quantitative data www.psychlotron.org.uk
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Straightforward response Are you female or male? MF What is your age in years? ____ years Do you smoke? YesNo www.psychlotron.org.uk
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Checklist What is the highest academic qualification you hold? GCSEs A – Levels Batchelor Degree Post-graduate Degree www.psychlotron.org.uk
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Adjectival/adverbial response Does your anxiety affect your ability to do the following things? Not at all A Bit Very much Go to work Meet friends Go shopping www.psychlotron.org.uk
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Numerical (Likert) response scale Psychology is the most interesting A-Level subject12345 Strongly agree Agree Not sure Disagree Strongly Disagree www.psychlotron.org.uk
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Ranking scale Rank the following activities according to how much time you spend on them each day (1 = most time, 4 = least time) Talking face to face Talking on the telephone Text messaging Other (e.g. MSN, IRC chat) www.psychlotron.org.uk
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Keep it simple & clear Keep it as short as possible Keep it relevant to purpose Collect personal information last Ask for one piece of information at a time Allow for ‘don’t know’ where appropriate Be sensitive www.psychlotron.org.uk
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Test Questionnaire with a group of PPs Obtain feedback from them Identify issues with the q’aire Alter the problem q’aire items www.psychlotron.org.uk
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Write your answers on your mini whiteboards 1. What is social desirability bias?
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2. What is qualitative data?
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3. What sort of questions does a structured interview have?
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4. What sort of data do you get from unstructured interview?
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5. Give an example of a Likert scale You need to write a question and provide a scale
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Give an example of a fixed choice (closed)question
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Give an example of an open ended question
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