parents and principals as partners in creating a culture of learning

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Advantages of the written Questionnaire
Affordability is the primary advantage of written questionnaires because it
is the least expensive means of data gathering.
Written questionnaires preclude possible interviewer bias. The way the
interviewer asks questions and even the interviewer's general appearance
or interaction may influence the respondent's answers. Such biases can be
completely eliminated with a written questionnaire.
A questionnaire permits anonymity. If it is arranged such that responses
were given anonymously, this would increase the researcher's chances of
receiving responses which genuinely represent a person's beliefs, feelings,
opinions or perceptions.
They permit a respondent a sufficient amount of time to consider answers
before responding.
Questionnaires can be given to many people simultaneously, that is to say
that a large sample of the target population can be reached.
They provide greater uniformity across measurement situations than do
interviews. Each person responds to exactly the same questions because
standard instructions are given to the respondents.
Generally the data provided by the questionnaires can be more easily
analyzed and interpreted than the data obtained from verbal responses.
Using a questionnaire solves the problem of non-contact when the
respondent is not at home 'when the interviewer calls'.When the target