The Hogrefe Diagnostic Toolbox is a practical everyday tool for anyone involved in psychological testing. The app supports you in your daily diagnostic work and takes care of calculations that are often time-consuming, so that you can concentrate on the important things.Features: • Convert standard values • Calculate the age of subjects • Calculate confidence intervals • Calculate critical differences • Interpolate standard valuesDetail information: • Automatic conversion of a norm value into other commonly used norm values (e.g. T-scores, IQ-scores, stanine values, percentile ranks) and the graphical representation of the individual test result based on the position in a normal distribution curve. • Simple and error-free calculation of a subjects age at the time of the test based on the birth date and test date entered. • Calculation of confidence intervals and critical differences taking into account the selected standard value scale based on the entered individual test result, the reliability of the test procedure used and the selected confidence level. • Calculation of norm values for individual test results that fall between two raw values specified in the norm tables and are not tabulated using linear interpolation.Hogrefe is the leading European scientific publisher in psychology, psychotherapy and psychiatry. A special feature of the program are over 2,000 psychological tests in a variety of languages, with counseling offers, seminars and specific electronic solutions.