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Variables in Research – Dependent, independent, confounding and other types

VARIABLES In quantitative studies, concepts are usually called variables. A variable, as the name implies, is something that varies. e.g. weight, anxiety and blood pressure are variables, each varies from one person to another. Most aspects...

Probability Error- Experimental errors, Type-I (1) error, Type-II(2)error, Type-III error,How to avoid

The probability of error may be considered as being the probability of making a wrong decision and which would have a different value for each type of error. EXPERIMENTAL ERRORS TYPE I ERROR – TYPE II ERROR Whilst many will not have heard...

Sampling error, Definition, why it occurs, characteristics,ways to eliminate

Sampling error It is a statistical error to which an analyst exposes a model simply because he or she is working with sample data rather than population or census data. Using sample data presents the risk that results found in an analysis do...

Quantitative Research- Phases, Steps

Research ,like any discipline,has its own language.Some terms are used by qualitative and quantitative researchers,but the others are predominantly by one or the other group. The phases and steps in the nursing research project gives an overview...

Qualitative Research- definition, nature, approaches

 INTRODUCTION A starting point in trying to understand the collection of information for research purposes is that there are broadly two approaches: * Quantitative research and * Qualitative research. QUALITATIVE RESEARCH It involves an in-depth...

Research Terminology-population, variable, hypothesis,pilot study

Research Terminology ┬×Research: is an organized investigation of a problem or it is an attempt to gain solution to a problem(By APHA) ┬× Population is any group of individuals that have one or more characteristics in common that are of interest...