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A case report form (CRF) is a questionnaire used in clinical trial research to collect data from each patient. Learn about the design, production, monitoring, auditing and query resolution of CRFs, and the advantages of electronic CRFs (eCRFs).
Rhetorical modes are a classification of writing by their persuasive purpose, such as narration, description, exposition, and argumentation. Learn the different definitions, functions, and examples of each mode, as well as their applications in various genres and contexts.
Statistics is the discipline that deals with data collection, analysis, interpretation, and presentation. It uses mathematical techniques, probability theory, and inference to draw conclusions from data that are subject to uncertainty and variation.
A report is a document or a statement that presents information in an organized format for a specific audience and purpose. Learn about the common elements, structure, and types of reports, as well as their role in business, science, and society.
Learn about the process of building a statistical model and the causes and detection of specification error or misspecification. Find out how to compare and select ...
Persuasive writing is a form of writing intended to convince or influence readers to accept a particular idea or opinion and to inspire action. It uses logical arguments, facts, examples, and rhetorical devices to persuade the audience. Learn about the categories, criticism, and education practices of persuasive writing.
An index is a composite statistic that summarizes and ranks specific observations based on multiple indicators. Learn about the construction, validation, and use of indices in social sciences and sustainability, and see some examples of common indices.
Validity is the extent to which a concept, conclusion, or measurement is well-founded and likely corresponds accurately to the real world. Learn about different types of validity, such as construct, content, and face validity, and how they are used in statistics and psychometrics.