Fig 7. Change in understanding of evolution due to teaching for higher-ability students taught genetics first (n = 683) and evolution first (n = 372) and for foundation-ability students taught genetics first (n = 93) and evolution first (n = 79).

Data plotted here is for the subset of the data in which all students answered all pre- and postquestionnaires. Raw data can be found in S1 and S2 Data.