AI-Therapy | Statistics for Psychologists

About AI-Therapy

AI-Therapy creates online fully automated programs using the latest evidence-based treatments, such as cognitive behavioural therapy. The social anxiety program has been tested with a randomized controlled trial. To find out more visit:

These results were generate by Comparing two sets of data on September 26, 2023 at 8:00 PM (UTC).

Results

Data set overview

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https://www.ai-therapy.com/psychology-statistics/results/20230926200044073

Data set name	Test Correctness
Data set notes	(not provided)

Data set statistics

Sample name	Number of samples	Mean	Standard error of the mean	Standard deviation	Median
Copilot	360	0.503	0.026	0.501	1.000
ChatGPT	360	0.625	0.026	0.485	1.000

Test results

Number of samples	N = 720
Wilcoxon rank-sum	W = 121860.000 z-score = -2.838 Asymptotic significance (2-tailed) p = 0.005 Based on a significance level of 0.01, there is a statistically siginificant difference between 'Copilot' and 'ChatGPT'. Effect size r = -0.106
Mann-Whitney	U = 56880.000 z-score = -3.304 Asymptotic significance (2-tailed) p < 0.001 Based on a significance level of 0.01, there is a statistically siginificant difference between 'Copilot' and 'ChatGPT'. Effect size r = -0.123

Visualization

The graph above is a bihistogram that allows you to compare the distribution of Copilot (top) with the distribution of ChatGPT (bottom).