TY - ADVS TI - How to design and evaluate a direct marketing test AU - Hathway, Nigel A2 - Leventhal, Barry PY - 2008 DA - 2008/05/22 UR - https://hstalks.com/bm/851/ AB - Importance of testing, What to test?, Statistical concepts, How large a sample size?, Example, Selecting the sample, Formula for sample size, Practical considerations, Practical example: incentive test, Practical example: creative test DB - The Business & Management Collection SN - 2059-7177 ID - 1791 PB - Henry Stewart Talks ER -