Originally Posted by Tigerle
... accelerated into middle school, skipping the transitional 4th grade (something the use of the IAS would have prevented, I think).
What informed your view, in making this assertion? In other words, do you have a source which led you to this conclusion?

The Iowa Acceleration Scale (IAS) has been discussed frequently on the forums and elsewhere. Here are just a few links which may be of interest to anyone considering partial, full, or radical acceleration:
1) roundup on Iowa Acceleration Scale (IAS) (link to IAS description on Hoagies' Gifted Education Page)
2) IAS - Acceleration Institute
3) IAS - Gifted Unlimited, LLC, formerly Great Potential Press (GPP)
4) post discussing tests for Ability, Aptitude, Achievement
5) post discussing aeh test insights
6) post discussing single subject acceleration (SSA), IQ cutoff
7) post discussing whether IAS forms are needed
8) post discussing older sibling in receiving grade
9) link to overview and high-level description of IAS
10) obtaining a copy of the IAS (library, purchase new, purchase used)