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Table 2 Summary of statistical analysis of data

From: Leniency and halo effects in marking undergraduate short research projects

 

Supervisor Written Report

Control Marker Written Report

Supervisor Performance

t = 5.69, p < 0.001. Performance scoring higher than report (difference in grade score = 0.52)

Highly significant difference.

r = 0.75

Linear regression – non-significant result

t = 3.07, p = 0.003.

Significant difference

Second Marker Written Report

t = 3.12, p < 0.01

Highly significant difference.

Supervisor scoring higher than second marker (difference in grade score = 0.42, 95% confidence interval for mean difference 0.18 – 0.80).

r = 0.28

t = 0.68

No significant difference. r = 0.11

Control Marker Written Report

t = 1.81, p = 0.07

No significant difference.