Sentences with phrase «distinct lack of consensus»

Not exact matches

The consensus on the evolution of primitive life is that simple life forms (prokaryotes, organisms whose cells lack a distinct nucleus) inhabited the Earth about 3 - 4 billion years ago, eukaryotic cells (those with a nucleus which contains the genetic material) emerging 2 - 3 billion years ago.

There is also inconsistency regarding studying anxiety and depressive symptoms as a single «internalizing domain» or as two clinically - distinct presentations.6, 7 Similar issues with how to classify symptoms are reflected in the lack of consensus as to whether emotional problems should be conceptualized and studied in a categorical versus dimensional fashion.8 Diagnostic criteria (DSM - IV - TR) 9 are often inappropriate for young children and do not capture developmentally - salient types of impairment (e.g., disruption in family routine), which make it difficult to apply psychiatric research methods.