das Kappa
kappa
The tenth letter of the Greek alphabet (Κ, κ).
EXAMPLE
In diesem griechischen Wort steht ein Kappa an zweiter Stelle.
In this Greek word, a kappa appears in the second position.
das Kappa
kappa
das Kappa, die Kappas
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Meanings
das Kappa
kappa
A measure of agreement between two assessments or measurement methods that accounts for chance agreement; it is mainly used in statistics and empirical research.
EXAMPLE
Die Forscher berechneten das Kappa, um die Übereinstimmung der beiden Diagnosen zu messen.
The researchers calculated kappa to measure the agreement between the two diagnoses.
Forms
Forms adapted from the German Wiktionary entry Kappa, by Wiktionary contributors, licence CC BY-SA 4.0.
At a glance
| gender | neuter das |
|---|---|
| plural | die Kappas |
| genitive | des Kappa |
The four cases
| singular | plural | |
|---|---|---|
| nominative | das Kappa | die Kappas |
| accusative | das Kappa | die Kappas |
| dative | dem Kappa | den Kappas |
| genitive | des Kappa des Kappas | der Kappas |
The article changes with the case; it is shown in colour.
Usage tips
Uppercase and lowercase
For 'Kappa' (kappa), a distinction is made between uppercase kappa Κ and lowercase kappa κ. In technical texts, lowercase kappa is often used as a symbol in formulas.
EXAMPLE
Das kleine Kappa κ steht in dieser Formel für einen statistischen Koeffizienten.
The lowercase kappa κ represents a statistical coefficient in this formula.
Im griechischen Text ist das große Kappa deutlich zu erkennen.
The uppercase kappa is clearly recognizable in the Greek text.
Statistical notation
In statistical texts, 'Kappa' (kappa) is often written using the Greek letter κ. For agreement between two raters, the term 'Cohens Kappa' (Cohen's kappa) is often used.
EXAMPLE
Das Kappa κ wurde für die Übereinstimmung zwischen den beiden Beurteilern berechnet.
Kappa κ was calculated to measure the agreement between the two raters.
Cohens Kappa betrug in der Studie 0,82.
Cohen's kappa was 0.82 in the study.
Typical collocations
In this sense, 'Kappa' (kappa) often appears in phrases such as 'Kappa berechnen' (to calculate kappa), 'Kappa-Koeffizient' (kappa coefficient), and 'Übereinstimmung anhand des Kappas messen' (to measure agreement using kappa). Here, the word belongs primarily to the technical language of statistics and empirical research.
EXAMPLE
Die Forschenden berechneten das Kappa für jede Diagnosegruppe.
The researchers calculated kappa for each diagnostic group.
Das berechnete Kappa zeigt eine hohe Übereinstimmung der Bewertungen.
The calculated kappa indicates a high level of agreement between the ratings.
In real life
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