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  2. Effectiveness - Wikipedia

    en.wikipedia.org/wiki/Effectiveness

    However, neither "effectiveness", nor "effectively", inform about the direction (positive or negative) or gives a comparison to a standard of the given effect. Efficacy, on the other hand, is the extent to which a desired effect is achieved; the ability to produce a desired amount of the desired effect, or the success in achieving a given goal.

  3. Efficiency (statistics) - Wikipedia

    en.wikipedia.org/wiki/Efficiency_(statistics)

    In statistics, efficiency is a measure of quality of an estimator, of an experimental design, [1] or of a hypothesis testing procedure. [2] Essentially, a more efficient estimator needs fewer input data or observations than a less efficient one to achieve the Cramér–Rao bound.

  4. Energy conversion efficiency - Wikipedia

    en.wikipedia.org/wiki/Energy_conversion_efficiency

    Unlike efficacy (effectiveness), which is a unit of measurement, efficiency is a unitless number expressed as a percentage, requiring only that the input and output units be of the same type. The luminous efficiency of a light source is thus the percentage of luminous efficacy per theoretical maximum efficacy at a specific wavelength.

  5. Urdu Dictionary Board - Wikipedia

    en.wikipedia.org/wiki/Urdu_Dictionary_Board

    The Urdu Dictionary Board (Urdu: اردو لغت بورڈ, romanized: Urdu Lughat Board) is an academic and literary institution of Pakistan, administered by National History and Literary Heritage Division of the Ministry of Information & Broadcasting. Its objective is to edit and publish a comprehensive dictionary of the Urdu language.

  6. Efficiency - Wikipedia

    en.wikipedia.org/wiki/Efficiency

    Efficiency is very often confused with effectiveness. In general, efficiency is a measurable concept, quantitatively determined by the ratio of useful output to total useful input. Effectiveness is the simpler concept of being able to achieve a desired result, which can be expressed quantitatively but does not usually require more complicated ...

  7. Talk:Electrical efficiency - Wikipedia

    en.wikipedia.org/wiki/Talk:Electrical_efficiency

    1 Efficiency vs. efficacy. 7 comments. 2 Vandalism. 3 Lighting efficiency inconsistencies. 3 comments. 4 Narrow sense vs. broader system efficiency. 1 comment. 5 ...

  8. Efficacy - Wikipedia

    en.wikipedia.org/wiki/Efficacy

    The word comes from the same roots as effectiveness, and it has often been used synonymously, although in pharmacology a distinction is now often made between efficacy and effectiveness. [1] The word efficacy is used in pharmacology and medicine to refer both to the maximum response achievable from a pharmaceutical drug in research settings, [2 ...

  9. Urdu - Wikipedia

    en.wikipedia.org/wiki/Urdu

    Urdu in its less formalised register is known as rekhta (ریختہ, rek̤h̤tah, 'rough mixture', Urdu pronunciation:); the more formal register is sometimes referred to as زبانِ اُردُوئے معلّٰى, zabān-i Urdū-yi muʿallá, 'language of the exalted camp' (Urdu pronunciation: [zəbaːn eː ʊrdu eː moəllaː]) or لشکری ...