SPIRAL OMNIBUS TEST By N., Pam M.S. - April 13, 2013 a test where the themes are spread out through the test and not together in one section. As the test progresses it becomes harder. Also called a spiral test. SPIRAL OMNIBUS TEST: "A spiral omnibus test covers a lot of intelligence levels." Related Psychology Terms PLATEAU'S SPIRAL POWER TEST SCHOLASTIC ASSESSMENT TEST (SAT) RUNWAY SENTENCE-COMPLETION TEST NELSON-DENNY READING TEST ARCHIMEDES SPIRAL DISPERSION FORCED-RESPONSE TEST BONFERRONI T TEST Cite this page: N., Pam M.S., "SPIRAL OMNIBUS TEST," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/spiral-omnibus-test/ (accessed January 16, 2020).