The Agri-Environment
Publisher: Cambridge University Press
Published: December 31, 2007
Language: eng
Format: Paperback
Number of pages: 256
ISBN-13: 9780521614887
Subjects: Agriculture & Farming; Environmental Engineering & Technology; Science / Biology; Agriculture - General; Technology; Science/Mathematics
First sentence: Taking an educational evaluation viewpoint, Weiss defines impact as 'the net effects of a programme (i.e. the gain in outcomes for program participants minus the gain for an equivalent group of non-participants)' (1998: 331).