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Question 185

Dr. Harrison is conducting an observational research study to investigate whether there is an association between the type of therapy a client receives (CBT vs. MBT) and their level of treatment compliance (High vs. Low Compliance).

Complete Table 2 to calculate the chi-squared test statistic for Dr. Harrison's study to two decimal places.

Table 2: Chi-squared calculation table

Therapy GroupCompliance LevelObserved (OOO)Expected (EEE)O−EO-EO−E(O−E)2(O-E)^2(O−E)2(O−E)2/E(O-E)^2/E(O−E)2/E
CBTHigh Compliance1410.8
Low Compliance47.2
MBTHigh Compliance1013.2
Low Compliance128.8
Chi-squared (χ2\chi^2χ2) =
[4]
Markscheme

Methods Questions

  1. A Level
  2. /Psychology
  3. /Methods

638 exam-style questions on Edexcel A Level Psychology Methods. Each one has a worked solution and a mark scheme showing where the marks go.

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