Section: BooksTitle: Research design and statistics for the safety and health professional / Charles A. CachaAuthor: Cacha, Charles A.Publication: New York [etc.] : Van Nostrand Reinhold, cop. 1997Physical description: VII, 173 p. ; 24 cmNotes: Sumario: Research -- The before only design -- The before with control design -- The before and after design -- The before and after with control design -- Correlations -- Comparing test results -- Random samples, large and small -- Numeric indicators -- Other statistical tests -- Identifying accident repetition -- Administrative controls -- Time series -- Data collection procedures -- System safety -- Use of computers -- Appendixes: Mathematics calculations. Chi Saquare (X2) technique. Categories. Tables. Solutions to problemsMateria / lugar / evento: Métodos estadísticosRatiosAccidentes de trabajoCasos prácticosEvaluación de riesgosSeguridad e higiene en el trabajoHigiene industrialOther categories: 870Standard numbers: ISBN 0-442-02041-4Rights: In Copyright (InC)Referencias externas: