Many of these precautions were based on earlier attempts by Harvard students to obtain higher grades.
Ministers believe exam boards have in recent years competed for business by making it easier for pupils to obtain higher grades.
Private school students obtain higher grades, on average, than those in the state sector (it would be pretty embarrassing for them if they didn't, given their greater resources and smaller average class sizes).
For example, we may find that students who smoke obtain higher grades than those who do not smoke; but after we adjust for age, smokers obtain lower grades than nonsmokers in every age group; still, after adjusting for family income, smokers obtain higher grades than nonsmokers in every income-age group; and so on.
Candidates applying to medical schools using UKCAT as a factor tended to go on to obtain higher grades at advanced qualifications, and this was the case whether only the "best of three" A level (or equivalent) grades were counted or whether a total UCAS tariff score was calculated from grades of all examinations taken (with the exception of resits and general studies).
Three classifications presented mutually exclusive categories,[6], [27], [28] two were totally inclusive,[6], [28] and two were judged very easy to implement.[6], [27] Although the 10-group (Robson's) classification[6] received the maximum grade in this type of classification, the 8-group (Denk)[28] and the case-mix (Cleary)[27] classifications also obtained high grades (Table 2).
Attending a traditional high school increases students' chances of obtaining high grades (e.g. A grades) on the critical competency examinations given at the end of grade eleven.
Attendance in high academic performing traditional high schools increases students' chances of obtaining high grades (e.g. A grades) on the critical competency examinations given at the end of high school (grade eleven)[ 4].
The diatomite purification was achieved by hot acid leaching and obtained high grade of silica powder (98 wt.% SiO2).
Correlations showed that older students and female students obtained higher grades in universities.
