Book

Track this book

You choose which shelves are public. Progress and read dates stay yours.
Sign up to track
Add to list

About

No description yet.

More by William R. Shadish

All books

More like this

Reviews

Rating integrity

Healthy
Counted ratings come from accounts older than 7 days and were made on or after publication. Finished readers weigh ×1.0. Readers who have not finished yet weigh ×0.5. Did-not-finish ratings are shown but not counted.

Editions

3 editions
  • Hardcover · English · 1990
    Sage Publications, Inc · 536 pages · 9780803935518
  • Paperback · English · 1990
    Sage Publications, Inc · 536 pages · 9780803953017
  • Other · English · 2012
    SAGE Publications, Incorporated · 9781452252711
Educational evaluation