Hawthorne Centenary Essays.

Henry Head Centenary: Essays and Bibliography

Hawthorne Effect

Understanding the Hawthorne effect.

Researchers investigated the effectiveness of patient controlled analgesia for patients presenting to emergency departments with pain from traumatic injuries. A randomised controlled trial with a parallel groups study design was used. The control treatment was usual care, with analgesia titrated by nurses according to hospital guidelines. The participants were patients aged 18-75 years presenti...

The "Hawthorne effect"--what did the original Hawthorne studies actually show?

The "Hawthorne effect" is often mentioned as a possible explanation for positive results in intervention studies. It is used to cover many phenomena, not only unwitting confounding of variables under study by the study itself, but also behavioral change due to an awareness of being observed, active compliance with the supposed wishes of researchers because of special attention received, or posi...

The Centenary Dinner

The Centenary Dinner of the Bristol MedicoChirurgical Society took place at the Esso Motor Hotel, Hambrook, on Friday, 26th April, 1974, and was attended by nearly one hundred and fifty members and guests. The Guest of Honour was Sir John Stallworthy, President of the Royal Society of Medicine and the Society's other guests were Lady Stallworthy, Councillor C. Hebblethwaite, Deputy Lord Mayor o...