Further reflections on changes in fertility expectations and preferences

Further reflections on TREC

The paper reviews the TREC Programme up to TREC-6 (1997), considering the test results, the substantive ®ndings for IR that follow and the lessons TREC o€ers for IR evaluation. The paper focuses on the ad hoc retrieval task, with discussion of other test tracks as appropriate. The paper summarises the structure of the TREC work and analyses the experimental data in some detail. The analysis of ...

Further Reflections on the Guillotine

Fertility expectations and residential mobility in Britain

BACKGROUND It is plausible that people take into account anticipated changes in family size in choosing where to live. But estimation of the impact of anticipated events on current transitions in an event history framework is challenging because expectations must be measured in some way and, like indicators of past childbearing, expected future childbearing may be endogenous with respect to hou...

Expectations and Preferences in Presidential Nominating Campaigns

Highway spotters and traffic controllers: further reflections on complexity.

Norman’s essay on ‘Chaos, complexity and complicatedness’ in this issue of Medical Education offers an eloquent description of the reductionist position in medical education. The author’s argument is articulate and provides an impressive set of elaborations and clarifications regarding several scientific concepts that I and others have invoked in recent discussions on the epistemologies of medi...