The degree to which an instructional activity, innovation or programme yields the desired instructional outcome.

See: expected effects

(09 Mar 2006)

effectivenessmedical dictionary

1. A measure of the accuracy or success of a diagnostic or therapeutic technique when carried out in an average clinical environment.; Cf.

See: efficacy.

2. The extent to which a treatment achieves its intended purpose.

(05 Mar 2000)