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For more information, see in Customizing for

.

You need the base value when you set up customer scales in Customizing for

. The base value of a scale takes into account the universal threshold value of the standard scale. If the calculated base value is negative, you have to increase the universal threshold value on the standard scale, and then create all scales again using the new (positive) base value. You set up the

universal threshold value of the standard scale in Customizing for

in the

section .

Calculate the base value for all customer scales manually before defining the universal threshold value of the standard scale in Customizing to avoid obtaining negative values.

Calculation of the Base Value

a = Highest value on the customer scale (numeric) b = Lowest value on the customer scale (numeric)

c = Lowest value on the customer scale which corresponds to the lowest passing grade; this value must have at least one decimal place

You must always enter the lower threshold value as a decimal number with one decimal place even if you use a customer scale without decimal places (for example 1, 2, 3...). Enter the decimal number that can be rounded to the lowest scale value for “just passed”. (Let us assume the lowest scale value

for “just passed” is . The lowest threshold value for “just passed“ therefore has to be because

is

when rounded).

  • d = Threshold value defined on the standard scale (see Customizing)

e = Base value of standard scale

a – d is not equal to zero.

e = (d x (a – b) + 100.000 x (b – c)) / (a – c)

The standard scale contains a universal threshold value for a “just-passed“ grade. Every standard scale value which is equal to or higher than the universal threshold value denotes a passing grade. Every standard scale value which is lower than the universal threshold value denotes a failing grade. This comparison with the standard scale is based on the idea of standard achievements. For example if a student’s grade is 60 percent on the standard scale, (s)he passed irrespective of which customer scale is used for evaluation.

As the system maps every grade on the customer scale to the standard scale, the customer scale must be adjusted to the standard scale. This is done by mapping the universal threshold value on the standard scale to the threshold value of the customer scale in Customizing (for example, universal threshold value = 50.000, threshold value of customer scale = 4,9). The system uses a base value which raises the customer scale values to bring the universal threshold value of the standard scale and the threshold value on the customer scale up to the same level.

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