The classroom in which these studies were conducted employed a common textbook, a common workbook that instruction in each class., a common syllabus, learning objectives they were provided students, and tests based on those objectives.
(these studies; were conducted; L:The classroom) (The classroom in which these studies were conducted; employed; a common textbook) (tests; based; on those objectives)
these studies The classroom in which these studies were conducted tests
were conducted employed based
L:The classroom
a common textbook
on those objectives