Sharon tests how accurately toy designers and police officers can identify whether different kinds of weapons are real or are a toy. She conducts a two-way ANOVA with the factors Occupation (toy designer, police officer) and Weapon (gun, knife). The results showed that toy designers are significantly more accurate than police officers at identifying whether a knife is real or a toy. However, there was no difference in accuracy between toy designers and police officers when identifying whether a gun is real or a toy. In other words, ___ was significant