Studies show that low to moderate intensity, prolonged cardio exercise has shown to have insignificant effect on long - term weight loss. (KetoDietApp.com)
EBay's inflammatory research paper with its uninflammatory title («Consumer Heterogeneity and Paid Search Effectiveness: A Large Scale Field Experiment»), put it this way: «The non-brand keyword experiments show that SEM had a very small and statistically insignificant effect on sales.» (entrepreneur.com)
Blue, red, and gray arrows indicate positive, negative and statistically insignificant effect of a variable. (sciencedaily.com)