Apollo fulfilled her wish, but she went back on her word and rejected him soon after. Angered that she broke her promise, Apollo cursed her that even though she would see the future, no one would ever believe her prophecies. Hestia, the goddess of the hearth, rejected both Apollo's and Poseidon's marriage proposals and swore that she would always stay unmarried. Artemis as the sister of Apollo, is "thea apollousa", that is, she as a female divinity represented the same idea that Apollo did as a male divinity. In the pre-Hellenic period, their relationship was described as the one between husband
Equating the equating of tests administered to groups with similar abilities; for example, two tests administered to students in the same grade in two consecutive calendar years. Different tests are used to avoid practice effects. In terms of item response theory, equating is just a special case of the more general process of "scaling", applicable when more than one test is used. In practice, though, scaling is often implemented separately for different tests and then the scales subsequently equated. A distinction is often made between two methods of equating; "common person" and "common item" equating. Common person equating involves the administration