This is the case of an eight year old boy with problems in his reading and writing skills; after a deficient learning process in the mentioned skills as well as lack of attention, he is reinforced in the reading skill focusing the word. The Time Series Theory is applied to check the effectiveness of the treatment according to Box-Jenkins...

In the present work, we show an alternative to the verification of the intervention effect in time series to which the ARIMA model has been applied. This alternative is based on the consideration of significant differences in the parameters of ARIMA models, taking into account only the base line and also taking into account the complete series –...