Religious syncretism correspondence varied: Jupiter makes perhaps a better match for Zeus than the rural huntress Diana does for the feared Artemis. Ares does not quite match Mars. The Romans physically imported the Anatolian goddess Cybele into Rome from her Anatolian cult-center Pessinos in the form of her original aniconic archaic stone idol; they identified her as "Magna Mater" and gave her a matronly, iconic image developed in Hellenistic Pergamum. Likewise, when the Romans encountered Celts and Germanic peoples, they mingled these peoples' gods with their own, creating Sulis Minerva, Apollo Sucellos (Apollo the Good Smiter) and Mars Thingsus (Mars of the
Equating origin. It is common in educational assessment to employ tests in order to assess different groups of students with the intention of establishing a common scale by equating the origins, and when appropriate also the units, of the scales obtained from response data from the different tests. The process is referred to as equating or test equating. In item response theory, two different kinds of equating are horizontal and vertical equating. Vertical equating refers to the process of equating tests administered to groups of students with different abilities, such as students in different grades (years of schooling). Horizontal equating refers