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Blair Peterson

Grading Systems - SCHOOL, HIGHER EDUCATION - Students, Grades, Teachers, and Learning -... - 1 views

education.stateuniversity.com/...Grading-Systems.html

history grading assessments assessment Grades

shared by Blair Peterson on 21 Jul 15 - Cached
  • In essence, grading is an exercise in professional judgment on the part of teachers. It involves the collection and evaluation of evidence on students' achievement or performance over a specified period of time, such as nine weeks, an academic semester, or entire school year. Through this process, various types of descriptive information and measures of students' performance are converted into grades or marks that summarize students' accomplishments. Although some educators distinguish between
  • In fact, prior to 1850, grading and reporting were virtually unknown in schools in the United States. Throughout much of the nineteenth century most schools grouped students of all ages and backgrounds together with one teacher in one-room schoolhouses, and few students went beyond elementary studies. The teacher reported students' learning progress orally to parents, usually during visits to students' homes.
  • Between 1870 and 1910 the number of public high schools in the United States increased from 500 to 10,000. As a result, subject area instruction in high schools became increasingly specific and student populations became more diverse. While elementary teachers continued to use written descriptions and narrative reports to document student learning, high school teachers began using percentages and other similar markings to certify students' accomplishments in different subject areas. This was the beginning of the grading and reporting systems that exist today.
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  • But in 1912 a study by two Wisconsin researchers seriously challenged the reliability of percentage grades as accurate indicators of students' achievement.
  • These demonstrations of wide variation in grading practices led to a gradual move away from percentage scores to scales that had fewer and larger categories. One was a three-point scale that employed the categories of Excellent, Average, and Poor. Another was the familiar five-point scale of Excellent, Good, Average, Poor, and Failing, (or A, B, C, D, and F). This reduction in the number of score categories served to reduce the variation in grades, but it did not solve the problem of teacher subjectivity.
  • At the same time, significant evidence shows that regularly checking on students' learning progress is an essential aspect of successful teaching–but checking is different from grading. Checking implies finding out how students are doing, what they have learned well, what problems or difficulties they might be experiencing, and what corrective measures may be necessary. The process is primarily a diagnostic and prescriptive interaction between teachers and students. Grading and reporting, however, typically involve judgment of the adequacy of students' performance at a particular point in time. As such, it is primarily evaluative and descriptive.
  • To ensure a fairer distribution of grades among teachers and to bring into check the subjective nature of scoring, the idea of grading based on the normal probability, bell-shaped curve became increasingly popular. By this method, students were simply rank-ordered according to some measure of their performance or proficiency. A top percentage was then assigned a grade of A, the next percentage a grade of B, and so on. Some advocates of this method even specified the precise percentages of students that should be assigned each grade, such as the 6-22-44-22-6 system.
  • Grading on the curve was considered appropriate at that time because it was well known that the distribution of students' intelligence test scores approximated a normal probability curve. Since innate intelligence and school achievement were thought to be directly related, such a procedure seemed both fair and equitable. Grading on the curve also relieved teachers of the difficult task of having to identify specific learning criteria. Fortunately, most educators of the early twenty-first century have a better understanding of the flawed premises behind this practice and of its many negative consequences.
Blair Peterson

Letter Grades Deserve an 'F' - Jessica Lahey - The Atlantic - 2 views

www.theatlantic.com/...284372

standards assessment grades grading homework learning summative standards-based grading standards based

shared by Blair Peterson on 13 Mar 14 - No Cached
  • Letter Grades Deserve an 'F' The adoption of the Common Core could usher in a new era of standards-based grading. Jessica Lahey
  • When a child earns a ‘B’ in Algebra I, what does that ‘B’ represent? That ‘B’ may represent hundreds of points-based assignments, arranged and calculated in categories of varying weights and relative significance depending on the a teacher’s training or habit. But that ‘B’ says nothing about the specific skills John has (or has not) learned in a given class, or if he can apply that learning to other contexts. Even when paired with a narrative comment such as, “John is a pleasure to have in class,” parents, students, and even colleges are left to guess at precisely which Algebra I skills John has learned and will be able to apply to Algebra II. 
  • As Alfie Kohn has written, “what grades offer is spurious precision—a subjective rating masquerading as an objective evaluation.”
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  • For all the effort, time, and best intentions teachers invest in those reams of grade reports, we are lying to ourselves and to our students’ parents, cheating our students out of clear and accurate feedback on their academic process, and contributing to the greater illusion that grades are an accurate reflection of skill mastery.
  • What should the mark really represent? Should the mark be based upon ability or performance, or even upon zeal and enthusiasm? What is the best set of symbols to represent ability or achievement?
  • This approach is known as standards-based grading. It is a system of evaluation that is formative, meaning it shapes instruction in order to fill in knowledge gaps, and measures mastery based on a set of course objectives, standards or skills.
  • Many notions I had at the beginning of my career about grading didn't stand up to real scrutiny. The thorny issue of homework is one example of how the status quo needed to change. I once thought it was essential to award points to students simply for completing homework. I didn't believe students would do homework unless it was graded. And yet, in my classroom, students who were clearly learning sometimes earned low grades because of missing work. Conversely, some students actually learned very little but were good at “playing school.” Despite dismal test scores, these students earned decent grades by turning in homework and doing extra credit. They would often go on to struggle in later courses, while their parents watched and worried.
  • Teaching and learning with an eye toward mastery of a defined list of competencies circumvents many of the pitfalls that points-based grading causes.
  • While a shift to standards-based grading from the traditional, points-based system sounds daunting, now is the perfect time to make the transition.
  • Blair Peterson on 13 Mar 14
     
    "Letter Grades Deserve an 'F' The adoption of the Common Core could usher in a new era of standards-based grading. JESSICA LAHEY"
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