EFECTAS

EFECTAS it is open source program R, which integrates the three existing R program packages BIFIEsurvey, Edsurvey and intsvy. EFECTAS should help non-informatics researchers perform International Large-Scale Assessment (ILSA) data PISA (Programme for International Student Assessment), TIMSS (Trends in International Mathematics and Science Study) and PIRLS (Progress in International Reding Literacy Study)  analysis easier. Program provides:

• Descriptive statistics;
• Pearson and Spearman correlation;
• Linear and Logistic regression;
• Multilevel analysis;

How to use program EFECTAS?

The computer must have the open source program R installed.

RStudio is installed for friendly environment.

Download EFECTAS and unzip it.

In RStudio, select File-> Open Project and open EFECTAS.Rproj

When the project opens, select EFECTAS.R

More detailed use of the program EFECTAS is given in the manual.