Abstract art | abstract art | Abstract Rude | The Bill James Historical Baseball Abstract | Abstract algebra | Thinking Fellers Union Local 282 | Wishful Thinking (Australian band) | Wishful Thinking | Too Busy Thinking About My Baby | The Blues and the Abstract Truth | King of Wishful Thinking | American Abstract Artists | Abstract strategy game | Abstract Art | abstract algebra | Thinking outside the box | Thinking Maps | Thinking It Over | The Leonardo da Vinci Society for the Study of Thinking | The Art of Negative Thinking | model (abstract) | Higher-order abstract syntax | George Johnson (abstract painter) | Design thinking | Curves in abstract expressionism: ''Slow Curve'' by Julian Hatton | Critical thinking | Abstract Syntax Notation One |
The Otis–Lennon School Ability Test (OLSAT), published by the successor of Harcourt Assessment — Pearson Education, Inc., a subsidiary of Pearson PLC — is a test of abstract thinking and reasoning ability of children pre-K to 18.