jsq::bttestIS(
  formula = SelfEffPre ~ Group,
  data = class02,
  hypothesis = "twoGreater",
  desc = TRUE,
  plotPP = TRUE,
  plotRobustAddInfo = FALSE,
  plotDesc = TRUE)

## t is large; approximation invoked.

## Warning: package 'BayesFactor' was built under R version 4.0.3

## Loading required package: coda

## Warning: package 'coda' was built under R version 4.0.3

## Loading required package: Matrix

## ************
## Welcome to BayesFactor 0.9.12-4.2. If you have questions, please contact Richard Morey (richarddmorey@gmail.com).
## 
## Type BFManual() to open the manual.
## ************

## 
##  BAYESIAN INDEPENDENT SAMPLES T-TEST
## 
##  Bayesian Independent Samples T-Test       
##  ----------------------------------------- 
##                  BF<U+208B>0            error %   
##  ----------------------------------------- 
##    SelfEffPre    2.178072e+10        NaN   
##  ----------------------------------------- 
##    Note. For all tests, the
##    alternative hypothesis specifies
##    that group <em>0</em> is less than
##    group <em>1</em>.
## 
## 
##  DESCRIPTIVES
## 
##  Group Descriptives                                                                            
##  --------------------------------------------------------------------------------------------- 
##                  Group    N     Mean         SD          SE           Lower        Upper       
##  --------------------------------------------------------------------------------------------- 
##    SelfEffPre    0        50     7.235314    3.015897    0.4265122     6.378205     8.092422   
##                  1        50    11.989738    2.690648    0.3805152    11.225064    12.754412   
##  ---------------------------------------------------------------------------------------------