“…Multitier Open-ended Light Wave Instrument (MOLWI) is a multiple choices instrument with four-tiers as in general instrument for assessing alternative conceptions. Other studies have developed multiple-choice conception tests in various formats, such as the two-tier, the three-tier, and the four-tier test format (Kaniawati, Fratiwi, Danawan, Suyana, Samsudin, & Suhendi, 2019;Hermita et al, 2017;Samsudin, Suhandi, Rusdiana, Kaniawati, & Coştu, 2017;Afif, Nugraha., & Samsudin, 2017;Kaltakci-Gurel, Eryilmaz, & McDermott, 2017;Coştu, Ayas, & Niaz, 2012;Peşman & Eryılmaz, 2010;Coştu, 2008). The four-tier test instrument which is generally used has a composition with tier one and three are multiple choice, tier two and four are the level of confidence.…”