showed a trendp > 0.05
At the beginning of the trial, males showed a trend toward choosing the EO-treated arm, although no statistical differences were found (χ 2 = 2.46; p > 0.05), whereas females showed a preference for the EO-treated arm (χ 2 = 4.17; p = 0.04) ( Table 2 ), but no significant differences were observed at the end of the trial (χ 2 =3.11; p > 0.05).