only marginally significantp = 0.056
However, to what extent can we attach biological meaning to a reaction norm that is statistically unsupported? A slight reaction norm was obtained when studying short-term variability (i.e., within a breeding season) in the FID of rural burrowing owls 17 , but results are only marginally significant when reanalyzed and applying the most recommended likelihood ratio test 42 (p = 0.056).