Questionnaires provide a relatively cheap, quick and efficient way of obtaining large amounts of information from a large sample of people. Data can be collected relatively quickly because the researcher would not need to be present when the questionnaires were completed. This is useful for large populations when interviews would be impractical.
However, a problem with questionnaire is that respondents may lie due to social desirability. Most people want to present a positive image of themselves and so may lie or bend the truth to look good, e. Questionnaires can be an effective means of measuring the behavior, attitudes, preferences, opinions and, intentions of relatively large numbers of subjects more cheaply and quickly than other methods.
An important distinction is between open-ended and closed questions. Often a questionnaire uses both open and closed questions to collect data. This is beneficial as it means both quantitative and qualitative data can be obtained.
Closed questions structure the answer by only allowing responses which fit into pre-decided categories. Data that can be placed into a category is called nominal data. The category can be restricted to as few as two options, i.
Closed questions can also provide ordinal data which can be ranked. This often involves using a continuous rating scale to measure the strength of attitudes or emotions. Closed questions have been used to research type A personality e. They can be economical. This means they can provide large amounts of research data for relatively low costs. Therefore, a large sample size can be obtained which should be representative of the population, which a researcher can then generalize from. The questions are standardized.
All respondents are asked exactly the same questions in the same order. This means a questionnaire can be replicated easily to check for reliability. Therefore, a second researcher can use the questionnaire to check that the results are consistent.
Because the responses are fixed, there is less scope for respondents to supply answers which reflect their true feelings on a topic. Open questions allow people to express what they think in their own words.
Open-ended questions enable the respondent to answer in as much detail as they like in their own words. If you want to gather more in-depth answers from your respondents, then open questions will work better.
These give no pre-set answer options and instead allow the respondents to put down exactly what they like in their own words. Open questions are often used for complex questions that cannot be answered in a few simple categories but require more detail and discussion. Lawrence Kohlberg presented his participants with moral dilemmas. One of the most famous concerns a character called Heinz who is faced with the choice between watching his wife die of cancer or stealing the only drug that could help her.
Participants were asked whether Heinz should steal the drug or not and, more importantly, for their reasons why upholding or breaking the law is right. Rich qualitative data is obtained as open questions allow the respondent to elaborate on their answer. This means the research can find out why a person holds a certain attitude. Time-consuming to collect the data.
Four sampling techniques are described here:. For example, in a face-to-face interview, it is difficult and expensive to survey households across the nation. Instead, researchers will randomly select geographic areas for example, counties , then randomly select households within these areas. This creates a cluster sample, in which respondents are clustered together geographically. For example, a researcher may want to compare survey responses of African-Americans and Caucasians.
To ensure that there are enough Afrian-Americans in the survey, the researcher will first identify the African-Americans in the population and then randomly select a sample of African-Americans.
Measurement error is the difference between the target population's characteristics and the measurement of these characteristics in a survey. There are two types of measurement error: For example, a researcher may administer a survey about marital happiness.
However, some respondents may have had a fight with their spouse the evening prior to the survey, while other respondents' spouses may have cooked the respondent's favorite meal. The survey responses will be affected by the random day on which the respondents were chosen to participate in the study. With random error, the positive and negative influences on the survey measure balance out.
Respondents should give informed consent before participating in a survey. In order for respondents to give informed consent,. It is absolutely imperative that researchers keep respondents' identities confidential.
To ensure confidentiality, researchers should not link respondents' identifiers to their survey responses when using data. Common identifiers include names, social security numbers, addresses, and telephone numbers. Anonymity is an even stronger safeguard of respondent privacy. If a researcher assures anonymity, it means that the researcher is unable to link respondents' names to their surveys.
There are two key features of survey research: Questionnaires -- a predefined series of questions used to collect information from individuals Sampling -- a technique in which a subgroup of the population is selected to answer the survey questions; the information collected can be generalized to the entire population of interest.
Closed-Ended Questions The respondents are given a list of predetermined responses from which to choose their answer The list of responses should include every possible response and the meaning of the responses should not overlap An example of a close-ended survey question would be, "Please rate how strongly you agree or disagree with the following statement: Sensitive questions, such as questions about income, drug use, or sexual activity, should be put at the end of the survey.
This allows the researcher to establish trust before asking questions that might embarrass respondents. Researchers also recommend putting routine questions, such as age, gender, and marital status, at the end of the questionnaire Double-barreled questions, which ask two questions in one, should never be used in a survey. An example of a double barreled question is, "Please rate how strongly you agree or disagree with the following statement:
Questionnaires can be classified as both, quantitative and qualitative method depending on the nature of questions. Specifically, answers obtained.
Survey research is a commonly used method of collecting information about a population of interest. There are many different types of surveys, several ways to administer them, and many methods .
Research Methods» Questionnaire. Questionnaire. By Saul McLeod, updated A questionnaire is a research instrument consisting of a series of questions for the purpose of gathering information from respondents. Questionnaires can be thought of as a kind of written interview. They can be carried out face to face, by telephone, computer or. The essence of survey method can be explained as “questioning individuals on a topic or topics and then describing their responses” (Jackson, , p).
This article shows a sample questionnaire with insert notes for every section. A field of applied statistics of human research surveys, survey methodology studies the sampling of individual units from a population and associated techniques of survey data collection, such as questionnaire construction and methods for improving the number and accuracy of responses to surveys. Survey methodology includes instruments or.