QUESTIONNAIRE= pre-set list of Qs
Open Q= ps can respond in any way they want, the Q doesn't restrict them. E.g 'Why did you decide to study psychology?'
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Closed Q= ps must respond by selecting an answer from a set of pre-determined responses chosen by the researcher. E.g 'Do you like psychology?'
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Rating-scale Q= ps rate what they think by selecting a number/word from a sequence arranged in a logical order. E.g 'How much do you like Psychology on a scale from 1 to 5, where 1 is you love it and 5 is you hate it'
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Evaluation of collecting data by Questionnaires:
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