A register of daily events or transactions; a daily record; a journal; a blank book dated for the record of daily memoranda; as, a diary of the weather; a physician's diary
The record kept by a respondent of purchase behavior, likes and dislikes and so forth, over a period of time Typically diaries are a product of research panels who create them
A diary is a book which has a separate space for each day of the year. You use a diary to write down things you plan to do, or to record what happens in your life day by day. or journal Record of events, transactions, or observations kept daily or at frequent intervals; especially a daily record of personal activities, reflections, or feelings. Written primarily for the writer's use alone, the personal diary usually offers a frankness not found in writing done for publication. The diary form, which began to flower in the late Renaissance, is important as a record of social and political history. The most famous diary in English is that of Samuel Pepys. Other notable journals include those of John Evelyn, Jonathan Swift, Fanny Burney, James Boswell, André Gide, and Virginia Woolf. Atlanta Journal Constitution Ladies' Home Journal Wall Street Journal The
A questionnaire in which the respondent is asked to furnish a written record of their television viewing activity over a specified period of time (usually one week) This methodology is prevalent in local (spot) television ratings