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Zusammenfassung Statistik Aufgaben

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Aufgaben Statistik (Aufgaben Statistik)

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Übung Inferenzstatistik

11. Aufgabenblatt

Marvin Schmitt



Aufgabe 11.1 (Expositionstherapie).
Sie entwickeln eine Expositionstherapie zur Behandlung von Angststörung. In einem
messwiederholten Design wollen Sie die Wirksamkeit an einer Stichprobe aus N = 6
Patientinnen prüfen. Messzeitpunkt 1 stellt die Symptomatik vor Beginn der Therapie
dar, Messzeitpunkt 2 erfasst die Symptomatik nach 8 Wochen. Messzeitpunkt 3 findet
3 Monate nach der Therapie statt.

Pat. # MZP 1 MZP 2 MZP 3
1 15 14 16 Ta? 15
2 17 11 13 52=13.7
3 25 22 24 Is 23.7
.
-




4 11 9 10 54 .
- no

5 18 15 18 42=17
6 16 9 13
y-g.AZ?y-.i-n7-y.z--N3.3y-.s--r5.7 ȳ·· = ns.3

(a) Visualisieren Sie den mittleren Verlauf der Angstsymptomatik über die Messzeit-
punkte hinweg. Nutzen Sie dazu ein Liniendiagramm.
(b) Ergänzen Sie in Ihrem Diagramm den Verlauf jeder Patientin in einer separaten
sehr dünnen Linie. Sie sollen also sechs Linien (eine je Patientin) zeichnen.
Angst a


25 -
#
=
=
# a
20 - f




=

=
* a



is
:

no #
# a-
} >
l l l
Mitra MIPL MEP 's Mfp
(c) Testen Sie die Wirksamkeit der Therapie in einer wihin-subject ANOVA und
interpretieren Sie die Ergebnisse. Gehen Sie davon aus, alle Voraussetzungen der
Varianzanalyse seien erfüllt.
Sse -16.7
.ro.



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