- A thorny shrub or tree (the Crataegus oxyacantha), having
deeply lobed, shining leaves, small, roselike, fragrant flowers, and a
fruit called haw. It is much used in Europe for hedges, and for
standards in gardens. The American hawthorn is Crataegus cordata, which
has the leaves but little lobed.
Hawthorne effect Hawthorne effect is a term produced as a result of an experiment conducted by Elton Mayo whereby he concluded that expressing concern for employees and treating them
Hawthorne studies Hawthorne studies is a one kind of series of studies during the 1920s and 1930s that provided new insights into individual and group behavior.
Definition
[ n.]