The desired measure of a drug's influence on a disease condition Effectiveness must be proven by substantial evidence consisting of adequate and well-controlled investigations, including human studies by qualified experts, that prove the drug will have the effect claimed in its labeling
A structure is effective when it meets the intended management objectives In the Wildlife Crossings Toolkit, an effective structure is able to provide passage or reduce vehicle-caused mortality for the species it was designed to serve
(a) Degree to which an activity or initiative is successful in achieving a specified goal; (b) degree to which activities of a unit achieve the unit's mission or goal
a measure of the benefit resulting from an intervention for a given health problem under usual conditions of clinical care for a particular group; this form of evaluation considers both the efficacy of an intervention and its acceptance by those to whom it is offered, answering the question, "Does the practice do more good than harm to people to whom it is offered?" See Intention to treat
The extent to which intervention results in favourable outcomes under everyday conditions Contrasted with efficacy, which refers to change under tightly controlled conditions
A measure of the extent to which a project attains its objectives at the goal or purpose level; i e the extent to which a development intervention has attained, or is expected to attain, its relevant objectives efficiently and in a sustainable way
Under real life conditions, how well a treatment, therapy or procedure produces a desired health outcome (cure, alleviation of pain, return of functional abilities)
Measure of achieving a specific goal: Typical effectiveness measures in distance education include cost, course design, instruction, media, teaching strategies, technology Relates to quality assurance (See Moore & Kearsley (1996) pp 65-71, 182-184 and Inglis, Ling, & Joosten (1999) p 198)
The extent to which a development outcome is achieved through interventions The extent to which a programme or project achieves its planned results, i e goals, purposes, and outputs and contribute to outcomes
Measure of the ability of a program, project or work task to produce a specific desired effect or result that can be qualitatively measured Performing the right tasks correctly, consistent with organizational mission, vision, values and in support of the organization's goals and objectives Relates to outcomes, not the efficiency of performance [also see Outcome Measure]
Not the same as "efficiency " The effectiveness of a proposal or project is a measure of its effect An effective project produces a desired change
Pertaining to the degree to which a dispersal unit or population of dispersal units leads to establishment of new infections
The extent to which actual outcomes are achieved, against the outcomes planned, via relevant outputs or administered expenses