{"id":18379,"date":"2024-04-15T05:25:32","date_gmt":"2024-04-15T05:25:32","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=18379"},"modified":"2024-04-15T05:25:32","modified_gmt":"2024-04-15T05:25:32","slug":"which-of-the-following-are-measures-of-quality-a-validity-b-accuracy-c-precision-d-all-of-the-above-e-none-of-the-above","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-are-measures-of-quality-a-validity-b-accuracy-c-precision-d-all-of-the-above-e-none-of-the-above\/","title":{"rendered":"Which of the following are measures of quality: A. validity B. accuracy C. precision D. All of the above E. None of the above"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;validity&#8221; option2=&#8221;accuracy&#8221; option3=&#8221;precision&#8221; option4=&#8221;All of the above E. None of the above&#8221; correct=&#8221;option4&#8243;]<!--more--><\/p>\n<p>The correct answer is: <strong>D. All of the above<\/strong><\/p>\n<p>Validity, accuracy, and precision are all measures of quality.<\/p>\n<ul>\n<li><strong>Validity<\/strong> is the extent to which a measure accurately reflects the concept it is intended to measure. For example, a measure of intelligence that is highly correlated with academic performance is said to be valid.<\/li>\n<li><strong>Accuracy<\/strong> is the extent to which a measure is free from error. For example, a measure of weight that is accurate to within 0.1 pounds is said to be accurate.<\/li>\n<li><strong>Precision<\/strong> is the extent to which a measure yields consistent results. For example, a measure of blood pressure that yields the same result on repeated measurements is said to be precise.<\/li>\n<\/ul>\n<p>All three of these qualities are important for a measure to be considered reliable and useful. A measure that is not valid is not measuring what it is supposed to measure, and so is not useful. A measure that is not accurate is not measuring the concept it is intended to measure with any precision, and so is not useful. And a measure that is not precise is not yielding consistent results, and so is not useful.<\/p>\n<p>Therefore, all three of validity, accuracy, and precision are important measures of quality.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;validity&#8221; option2=&#8221;accuracy&#8221; option3=&#8221;precision&#8221; option4=&#8221;All of the above E. None of the above&#8221; correct=&#8221;option4&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[678],"tags":[],"class_list":["post-18379","post","type-post","status-publish","format-standard","hentry","category-management-information-systems","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Which of the following are measures of quality: A. validity B. accuracy C. precision D. All of the above E. 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