Im Januar beginnen britische Wissenschaftler mit der Entwicklung eines Impfstoffs gegen das gefährliche Coronavirus. Nun sind sie so weit, einen ersten Kandidaten an Menschen zu testen. Im ganzen Land werden Freiwillige gesucht.
This Shiny App is to provide a user-friendly interface for users to conduct item analysis based on Classical Test Theory (CTT). Item analysis is used for examining responses to individual test items in order to assess the quality of items and of the test as a whole. It is valuable in improving items or eliminating poorly written or ambiguous item. This Shiny App provides several strategies used for item analysis, including reliability estimates, item difficulty, item discrimination (i.e.,item total correlation).
This Shiny App is to provide a user-friendly interface for users to conduct item analysis based on Classical Test Theory (CTT). Item analysis is used for examining responses to individual test items in order to assess the quality of items and of the test as a whole. It is valuable in improving items or eliminating poorly written or ambiguous item. This Shiny App provides several strategies used for item analysis, including reliability estimates, item difficulty, item discrimination (i.e.,item total correlation).
This is one page of a series of tutorials for using R in psychological research. Much of material has also covered been covered in number of short courses or in a set of tutorials for specific problems.
Psychometrics is concerned with theory and techniques of psychological measurement. Psychometricians have also worked collaboratively with those in the field of statistics and quantitative methods to develop improved ways to organize, analyze, and scale corresponding data. Since much functionality is already contained in base R and there is considerable overlap between tools for psychometry and tools described in other views, particularly in SocialSciences, we only give a brief overview of packages that are closely related to psychometric methodology.
Lista de paquetes relacionados con psicometría
This page is devoted to teaching others about psychometric theory as well as R. It consists of chapters of an in progress text as well as various short courses on R.