However, they argue that they may classify for example depression as a measure of symptom status, although some would argue that it could be classified as a biological or physiological factor, or as a measure of psychological function.
Thus, such studies typically only measure alcohol consumption at one point or during one time period in a participant's life and classify, for example, all people who do not consume alcohol during the reference period as abstainers, even though it is essential to separate ex-drinkers, lifetime abstainers, and very light drinkers.
Payne said that any future changes to how CBD is classified (for example, changing it to a medicinal drug, which is not how marijuana is currently classified), would happen either through the formal scheduling process, which involves research and analysis by both the DEA and the FDA, or through legislation passed by Congress.
The proportion of mothers with information missing for education was 9% and for social class was 53% (including those not classified; for example, housewives and students), whereas the corresponding proportions for fathers were 10% and 21%.
This turned out to be misleading because many of the creatures are so unusual that they are still difficult to classify.Opabinia, for example, grew to about 8cm (3 inches), had five eyes, a body that was a series of lobes, a fan-shaped tail and ate using a long proboscis.
If young students can choose freely, they often use habitat and way of movement as criteria to classify organisms; for example, young students often think that whales are fish and not mammals, as both whales and fish live in water and have similar ways of swimming (Kattmann 2001).
The narrative data were insufficient to fully explore the complex, interrelated factors that influenced care-seeking decisions and the provision of healthcare Incomplete accounts of events made it difficult to classify delays (for example, not admitting a woman in early stages of labour).
Mouse traps and pharmaceuticals are classified differently, for example.
The Protacanthopterygii once contained a large number of primitive orders of fishes, including fishes now classified in, for example, the orders Salmoniformes, Esociformes, Aulopiformes, and Myctophiformes, no two of which are considered each others' closest relatives.
Precious studies have also classified miRNAs, for example, into families [67], but it has been shown that miRNAs can evolve rapidly [36, 37, 66], which is detrimental for their categorization into families.
