B. Piskernik

In psychometrics and psychological assessment norm scores (eg. IQ-points, T-scores, stanine, ...) help to compare test results of an individual with a …

In psychometrics and psychological assessment norm scores (eg. IQ-points, T-scores, stanine, ...) help to compare test results of an individual with a …

Statistics without statistical software package?Whether you want to (nostalgia?) or have to (cruel teaching assistant?) calculate statistics by hand, …

Calculating the difference between 2 time points/dates is often cumbersome and error-prone. The ad-free pro version of "Time Difference" calculates th …

Calculating the difference between 2 time points/dates is often cumbersome and error-prone. "Time Difference" calculates the length of the time period …

Statistics without statistical software package?Whether you want to (nostalgia?) or have to (cruel teaching assistant?) calculate statistics by hand, …