Betini et al. calcium and temperature effects on movement

temperature: temperature treatment used in the experiment in oC calcium: calcium level used in the experiment in mg/L individualID: unique id of each individual used in the experiment, within each temperature level start_position: position relative to the ruler where each individual start each step direction: whether individual moved to the right (R) or left (L) in each step time: time of each step in seconds of distance: distance of each step in cm