Definition of Self Report
A self report is any method that involves asking participants about their emotions, feelings, attitudes, beliefs and so on. Examples of self reports are Experiments,Interviews, Questionaires . These are used in order to gain participans responces in observational studies and experiments.
Questionnaires are a type of self report method which consist of a set of questions usually in a highly structured written form.
Questionnaires can contain both open questions and closed questions and participants record their own answers.
are a type of spoken questionnaire where the interviewer records the responses. Interviews can be structured whereby there is a predetermined set of questions or unstructured whereby no questions are decided in advance.