Social Sciences and Natural Sciences

The sciences can be generally described as an effort to understand, explain, and make predictions about the world using different research methods in an attempt to construct theories. In this sense, they can be classified into two main branches, known as natural...

Hypothetical Deductive Method

The hypothetical-deductive method is an approach to research that starts from a theory about the functioning of things and derives from it testable hypotheses. It is a form of deductive reasoning, since it starts from principles, assumptions and general ideas to...

Statistics in Medicine Thesis

Medical statistics is one of the main areas of statistical work and has had a considerable influence on clinical medicine and public health through its applications, for example, to the design and analysis of clinical trials and to the epidemiology of chronic and...

Metadata in Research

In its most basic sense, metadata is information about the data, and describes basic characteristics of the data, such as: Who created the data What's in the data file When the data was generated Where the data was generated Why the data was generated How the data was...

Snowball Sampling

Snowball sampling is a sampling technique in which research participants are asked to help researchers identify other potential subjects. The use of currently enrolled research participants to recruit additional research participants may be approved in some...

Stratified Random Sampling

Stratified random sampling is a sampling method that involves dividing a population into smaller subgroups known as strata. In stratified random sampling, or stratification, strata are formed based on attributes or characteristics shared by members, such as income or...
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