M. Nuswowati, N. Wijayati, W. Fatmawati
The aim of the study was to determine the mastery of the salt hydrolysis material of learners. Achievement of mastery of the material measured by the learning outcomes on knowledge domain of the learners while the results of learning on the domains of attitudes and skills were used as supporting data. The learner's worksheets with a scientific approach was applied during the learning. After being treated, the learners were given formative tests in the form of questions in which contained indicators of the mastery of the material. Data were also collected through a validated observation sheet to measure attitude and skill learning outcomes. Behavioral learning outcomes were measured during discussions, while skills learning outcomes were measured during laboratory works. Data from the formative test and observation sheet were analyzed and the conclusions were drawn. The results of the formative research showed that 21 people (63.6%) were on moderate, while the other 12 people (36.4%) were on high achievement of the mastery. Most of the learners were on highly achievement both in attitudes domain (89.22%) and skills domain (91.79%). Based on the data that has been obtained can be concluded that most of the learners of class XI MIA 4 MAN 1 Magelang were on moderate category for the domain of knowledge, and on good category both for attitudes and skills domains of the achievement on their mastery on salt hydrolysis matter. © Published under licence by IOP Publishing Ltd.
Faculty of Mathematics and Natural Science, Universitas Negeri Semarang, Indonesia
