Sentences with phrase «unknown factor problems»

Not exact matches

I think the problem is Perez is very much an unknown factor hence the mixed reviews.

If the American Academy of Pediatrics, and others were to say, «We recommend breastfeeding because it reduces the risk of severe diarrhea and vomiting during infancy, and because breastmilk contains unique immune, hormonal, and nutritional factors not found in formula, the long - term benefits of which are unknown,» I would have no problem with their claims.

While the exact cause of a premature birth may be unknown, there are factors that can increase risk, including multiple pregnancy, certain infections, cervical problems, older maternal age, and smoking.

Snoring without evidence of obstructive sleep apnea may be an independent risk factor for hypertension and the daytime behavioral problems mentioned above, but how snoring alone causes problems remains unknown.

«Rigorous processes» may help avoid a hockey - stick fiasco, but there are still two very basic problems: a) the proxy data themselves are often dicey, especially when the time scale is large, and b) the interpretation of the data is based on an «argument from ignorance» (i.e. «we can only explain this if we assume...»), where unknown factors are simply ignored and it is falsely assumed that we have the knowledge of all factors that could possibly have been involved; if these studies are used to provide evidence for a preconceived hypothesis, I think they are next to worthless.

Neil says: «My problem with climate models is that there are too many unknown factors to even begin to outline the parameters.»

The problem is too complex mathematically, with more unknown factors and unknown sigmas than known.

Also, because the effects of interventions provided by these agencies are themselves unknown, studies using these types of samples confound the effects of maltreatment and the effects of institutional interventions.9 Other researchers have contended that associations between physical abuse and later adjustment problems can be accounted for by confounding factors, such as poverty and family stress.5, 10