TYPES OF RESEARCH METHODS The several types of research methods are follows

Types of research methods the several types of

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TYPES OF RESEARCH METHODS The several types of research methods are follows: Experiments Surveys Questionnaires Interviews Case studies Participant and non-participant observation Observational trials Studies using the Delphi method. SURVEY METHOD : Survey methodology studies the in-depth sampling of individual units from a population and administering data collection techniques on that sample. It includes instruments or processes that
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ask different question types to a predefined sample, to conduct data-collection and increase the survey response rate . The two distinctive member types are in a survey methodology are, professionals in the field that focus on empirical survey errors and others that work to design surveys and reduce them. it is therefore both a scientific field and a profession. The primary tasks of a survey methodologist while administering a survey is to identify and create samples, validate test questions, select the mode to administer questions and validate methods for data collection, statistical analysis and data reporting. Survey Methods based on Design Surveys can be administered by the time they take to complete, the two types are: Cross-sectional studies: Cross-sectional study is defined as an observational research type that analyzes data of variables collected at one given point of time across a sample population. population or a pre-defined subset. This study type is also known as cross- sectional analysis, transverse study or prevalence study. The data gathered in a cross-sectional study is from people who are similar in all variables except the one variable which is under study. This variable remains constant throughout the cross-sectional study. This is unlike longitudinal study, where variables in the study can change over the course of research. Longitudinal studies: Longitudinal study is an observational study that employs continuous or repeated measures to follow particular individuals over prolonged period of time often years or decades. Longitudinal study collects data that is either qualitative or quantitative in nature. In longitudinal study a survey creator is not interfering with survey respondents. Survey respondents are observed over a period of time ranging from months to even decades to observe any changes in them or their attitude. For example, a researcher wants to find out which disease affects young boys (in the age group of 10-15) then the researcher will observe the individuals over that period to collect meaningful data.
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Correlational studies: Correlational study is a non-experimental type of research design where two distinct variables are studied and a statistical analysis is run to study relation between them without the interference of external “variables”. This study aims to understand the change and level of change in one of the two variables in study, if the other variable changes. It is close to impossible to understand in this research method though, that, the cause of change in either variable. For example, if an ice-cream truck has a jingle that can be loudly
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