Collective landmarks for deep time: a
new tool for evolution education
Evolution is a fundamental, organising concept in biology, yet there is widespread resistance to evolution
among US students and there are rising creationist challenges in Europe. Resistance to evolution is linked to
lack of understanding of the age of the Earth. An understanding of deep time is thus essential for effective
biology education. Landmarks – well-known events of known absolute age – are important in developing a
mental framework for deep time. ‘Collective landmarks’ are important events of which a group of students has
accurate and precise knowledge. The collective landmarks for time were determined in several semesters of an
interdisciplinary undergraduate course at a US public research university. A written survey was employed that
asked students to select the appropriate ten-fold time range for ten important cosmological, biological and
historical events. The collective landmarks were very similar across classes, including the Big Bang and the Cold
War, and there was progress developing additional landmarks. No statistically significant differences in accuracy
of estimation were detected across science, technology, engineering and mathematics (STEM) and social
sciences majors. The potential utility of collective landmarks within a single biology course, and across a
university biology programme, is described.
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Penerbit
Routledge :
Taylor & Francis; Routledge.,
2014
Edisi
2014 Vol. 48, No. 3, 133–141
Pernyataan Tanggungjawab
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