Results from Meta-Analyses Found That Treatment Effects Were ________, Which

Results from meta-analyses found that treatment effects were ________, which meant that __________.

A) consistent; interventions all looked the same, but scholars could not tell if they reduced recidivism or not
B) homogenous; interventions reduced recidivism a lot, regardless of what type of treatment it was
C) all null; intervention programs did not work, regardless of what type of treatment it was
D) heterogeneous; some interventions reduced recidivism a lot, whereas others had no effect on or even increased recidivism