Sentence examples for norm is difficult from inspiring English sources

However, the genetic study of thermal reaction norm is difficult because it is often expressed as a continuous function or curve.

Though a purely behavioral account of norms is difficult to support, it is also true that normative beliefs alone cannot support a norm.

Quantifying morphological and functional development in children's feet, and thereby establishing development norms is difficult.

Learning new academic and living norms is difficult for many.

However, QTL mapping of reaction norms is difficult to model because of the inherent complexity in the interplay of a multitude of factors involved.

As mentioned by Posner (1997), some laws perceived as social norms are difficult to enforce because the legislation is not well-specified for enforcement purposes.

Changing social norms is hard work, but changing age-old attitudes and behaviors in poor, remote areas is particularly difficult.

Yet the idea of cooking, washing and cleaning as "women's work" is an archaic norm that is so insidious it is difficult to challenge.

Not only are those companies with effective sustainability strategies not seeing this reflected in their share price, but with computer-driven share trading the norm, it's difficult anymore to know with whom to talk.

With the onerous obligation to make some sort of return, given the cost of the Games, there is constant pressure for commercial viability: because of the cost of improving infrastructure, the target for 35% affordable housing, not to mention the strict design codes, anything beyond the market norm will be difficult to achieve.

Thus, it is difficult to establish resistance norm for skin in vivo.