Make your writing clear Say what you mean For example, the sentence Parental involvement caused lower levels of peer problems. suggests direct causation. However, if this was an observational study, the two outcomes were probably observed to occur together, but direct causation was … [Read more...]
Which versus that
Another common error made by non-native English speakers (and native English speakers!) is the use of “which” and “that”. The pH values of soil samples, which were obtained at night, ranged from 4.1 to 6.5. The pH values of soil samples that were obtained at night ranged from 4.1 to … [Read more...]
