Questionnaire- Types, Format, Questions

Questionnaire- Types, Format, Questions

A questionnaire is defined as a document containing questions and other types of items designed to solicit information appropriate for analysis. The questionnaire may be regarded as a form of an interview on paper. Procedure for the construction of a questionnaire follows a pattern similar to that of the interview schedule. However, because the questionnaire … Read more Questionnaire- Types, Format, Questions

Descriptive Studies- Types, Applications, Advantages, Limitations

Descriptive Studies- Types, Applications, Advantages, Limitations

A simple description of the health status of a community, based on routinely available data or on data obtained in special surveys, is often the first step in an epidemiological investigation. Such a study is termed as a descriptive study. A descriptive study – as the name implies – describes the distributions of disease, injury or health in a … Read more Descriptive Studies- Types, Applications, Advantages, Limitations

Types of Bias in Epidemiology

Common Types of Bias

Types of Bias in Epidemiology Any trend in the collection, analysis, interpretation, publication, or review of data that can lead to conclusions that are systematically different from the truth can be termed as bias. Bias is a major consideration in any type of epidemiologic study design. It has been defined as “any systematic error in … Read more Types of Bias in Epidemiology

Questionnaires and Schedules

Questionnaires and Schedules

Questionnaires and Schedules The research process is incomplete without the collection of data, which starts after the identification of the research problems and chalking out research design. There are several methods involved in the collection of primary data, like observation, interviews, questionnaires, schedules, etc. Both questionnaire and schedule are popularly used methods of collecting data … Read more Questionnaires and Schedules

Data and its types

Data and its types

Data and its types Data is a set of values of subjects with respect to qualitative or quantitative variables. Data is raw, unorganized facts that need to be processed. Data can be something simple and seemingly random and useless until it is organized. When data is processed, organized, structured or presented in a given context … Read more Data and its types

Common mistakes in Proposal writing

Common mistakes in Proposal writing

Common mistakes in Proposal writing Some of the mistakes are: Choosing a topic that is too large. Choosing a topic which is too complex for research at the level of the researcher. Not giving due consideration to the time factor. This factor is important because the research work is to be completed within the prescribed … Read more Common mistakes in Proposal writing

Questionnaire method of data collection

Questionnaire method of data collection

Questionnaire method of data collection Questionnaire is as an instrument for research, which consists of a list of questions, along with the choice of answers, printed or typed in a sequence on a form used for acquiring specific information from the respondents. In general, questionnaires are delivered to the persons concerned either by post or … Read more Questionnaire method of data collection

Nominal, Ordinal, Interval and Ratio Data

Nominal, Ordinal, Interval and Ratio Data

Nominal, Ordinal, Interval and Ratio Data Depending on the measurements, there are four different types of data that can be achieved. These different types of data are nominal, ordinal, interval and ratio data. These different variances of data vary in complexity of obtaining. Nominal Data Nominal data is the least complex of the four types … Read more Nominal, Ordinal, Interval and Ratio Data

Primary Data and Secondary Data

Primary Data and Secondary Data

Primary Data and Secondary Data There are two major approaches to gathering information about a situation, person, problem or phenomenon. When you undertake a research study, in most situations, you need to collect the required information; however, sometimes the information required is already available and need only be extracted. Based on these broad approaches to … Read more Primary Data and Secondary Data

Difference between Quantitative and Qualitative Data

Difference between Quantitative and Qualitative Data

Difference between Quantitative and Qualitative Data Qualitative data is data concerned with descriptions, which can be observed but cannot be computed. On the contrary, quantitative data is the one that focuses on numbers and mathematical calculations and can be calculated and computed. So, for the collection and measurement of data, any of the two methods discussed above … Read more Difference between Quantitative and Qualitative Data