Dog and dogs refer to the same thing, but the former refers to one dog and the latter to more than one dog. Well, I am not necessarily opposed to the idea; however, I don't know if analysis could have been substitued by analyses without

I have asked this before, but I didn't get a satisfacting response; moreover, I have asked this at several occasions and I had all sorts of answers, but no one told me why so I could understand. ANALYSIS and ANALYSES both have the same meaning

I don't know why, but I completely forgot that study was used as an adjective here. I guess you are right, except I am still not sure what analysis means.

Moreover, it may be difficult to separate the effects of salt from other nutrients that may contribute to stomach cancer risk. The absence of adjustment for confounding factors (such as age, sex, smoking and dietary habit) can hamper the

I now think that "the analysis" meant the analysis of the 68th cited research. I can't believe this. You were right after all--well sort of. However, I don't know why you can say "the something" when the something is

Definite grammatical article that implies necessarily that the entity it articulates is presupposed; something already mentioned, or completely specified later in the same sentence, or assumed already completely specified. Compare I'm reading

i think the author meant researches after all, because it doesn't make sense if he says "the" if he did not mention it before or after.

Ah wait, no. I can't believe this, but they said the analysis when they did not name it before.

I think it's an error. You can't adjust variables in a scientifical review because they don't have all the data; however, researchers can do it for individual research. It says "adjusted in the analysis", it's the stage

Ok, thank you. I guess it's a perplexing case.