But if history is a valid guide, it has not ended the political turbulence that has tormented Haiti almost without letup since rebellious slaves won independence there in 1804.
Given that an infant is not a teenager, that the options of a poor single mother differ from those of a wealthy married mother, that the healthy have different choices from the sick -- and so on and on and on -- I don't see how any one person's experience, however well described, can ever be a valid guide for 100 million American women.
But he is a man of the people and a sincere Muslim, who believes that the Koran contains the divinely inspired and uniquely valid guide to human life.
Second, like Comte, he acknowledged that the only valid guide to objective knowledge was the scientific method.
An improved statistic, CC* (essentially a Pearson correlation coefficient), was introduced that provides a single statistically valid guide for deciding whether diffraction data are useful.
Watching the "Exorcist" movies are not valid guides for performing an exorcism.
Conclusions: Molecular prenatal diagnosis is possible and valid in guiding management of pregnancies in families with known TFP defects.
In this example, their route to helping David included accepting his arguments as valid (if misguided), guiding him toward seeing that there were more "pros" than "cons" for stopping drinking, increasing social support in his life for stopping drinking, and making contingency plans for himself if he felt the urge to drink.
Whether results from local hospital microbiology laboratories provide valid information for guiding treatment is unclear.
In summary, although the TAD is a useful and valid method in guiding placement, it may be incomplete and is not based on the underlying bone structure.
