PC Algorithm (Points within Categories)

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The PC Algorithm (Points within Categories) does away with the concept of relative weights used by WO and WC and assumes that each Task is assigned a maximum number of achievable points.  Task Types and Categories remain, as in WC.

 

Identical to WC, a Category is a grouping of Task Type Codes that has an set percent weight in the Term calculation.  The total of all Category weights is, by definition, 100%.  The term grade is the weighted average of all the Category grades.   However, each Category grade is now a simple calculation of the total number of earned points for all Tasks with Type Codes included in that Category, divided by the maximum number of achievable points.

 

Let's simulate the calculation on a simple spreadsheet, with the same Categories, Tasks and grades as in the WC Algorithm.

 

 

First, we have the same Task Types, but the relative weights are now meaningless:

 

Task Type

Type Code

Relative Wgt

Participation

P

---

Homework

H

---

Double Homework

DH

---

Quiz

Q

---

Test

T

---

 

 

Categories are defined as in WC, showing the included Task Types for each and the set Term weights:

 

Category

Included

Type Codes

Term Wgt %

Group Skills

P

10%

Assignments

H, DH

20%

Assessments

Q,T

70%

Total

---

100%

 

 

We use the same Tasks and grades as in WO, but we now tabulate the maximum points achievable for each Task as well as the earned points.  Grades are calculated for each of the three Categories on the basis of earned points divided by total points:

 

Group Skills Category Tasks

Code

Earned Pts

Maximum Pts

Student's

Grade (%)

Classroom Discusssion on Tolstoy

P

7.5

10

75

Totals

 

7.5

10

---

 

Group Skills Category Grade = 7.5 / 10 = 75%

 

 

Assignments Category Tasks

Code

Earned Pts

Maximum Pts

Student's

Grade (%)

Reflections on Summer Reading

H

9

10

90

Paragraph on English Literature

DH

16

20

80

Web Research Exercise

H

10

10

100

Totals

 

35

40

---

 

Assignments Category Grade = 35 / 40 = 87.5%

 

 

Assessments Category Tasks

Code

Earned Pts

Maximum Pts

Student's

Grade (%)

Quiz on 18th Century Poets

Q

48

50

96

First Test

T

85

100

85

Totals

 

133

150

---

 

Assessments Category Grade = 133 / 150 = 88.67%

 

 

Finally, we weight average the Category grades that have just been calculated:

 

Category

Term Wgt %

Grade

Term Wgt x Grade

Group Skills

10%

75%

7.5

Assignments

20%

87.5%

17.5

Assessments

70%

88.67%

62.07

Total

100%

---

87.07%

 

Term Grade = sum of last column = 87.07%

 

 

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