Predictors of Post-School Success
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One of the National Secondary Transition Technical Assistance Center’s (NSTTAC)
tasks is to identify the evidence-based practices for the field of secondary transition.
To do this, NSTTAC’s review of literature has been conducted in two parts. In Part
I, evidence-based practices based on quality experimental (both group and single
subject designs) studies were identified. However, while the evidence-based practices
were designed to teach students specific transition-related skills, to date, the
experimental literature has not attempted to measure the impact of these skills
on post-school outcomes. As a result, in Part II, the review was expanded to include
rigorous correlational research in secondary transition to identify evidence-based
predictors that are correlated with improved post-school outcomes in education,
employment, and/or independent living.
In order to systematically evaluate each correlational study,
quality indicators
for correlational research developed by Thompson, Diamond, McWilliam, Snyder, and
Snyder (2005) were adapted for this review.
Decision rules
for determining levels of evidence for correlational research based on Thompson
et al. and the Institute for Education Sciences (IES) were also established. While
correlational research examines relationships among variables, it is unable to reveal
causality (although in many cases the direction of the relationship is hypothesized).
Therefore, according to IES, the evidence provided by correlational research may
only be established as moderate levels of causal inference. NSTTAC then added the
potential level of evidence. Below you will find more information on predictors
of post-school success.
Predictor
Categories:
Here you will find a table summarizing identified predictor categories, descriptions
of each taken directly from the findings in the studies reviewed, their related
outcome areas, and levels of evidence.
Predictors by Outcome Area:
This table provides a list of the predictors organized by the three post-school
outcome areas of education/training, employment, and independent living.
In-School Predictors of Post-School Success:
This PDF briefly explains Part
II of the NSTTAC literature review and identifies predictors from correlational
research. Also
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