3.1.4. Coding

Gesture coding for experiment 2 was identical to the coding carried out for experiment 1 and coding for both experiments was carried out concurrently. As for experiment 1, two coders completed coding for the data and a subset of 20% of the data was second-coded by KM to calculate the reliability. Cohen's Kappa (Cohen 1960) indicated high agreemen<sup>t</sup> across our variables of interest: first target action (κ = 0.93), base hand (κ = 0.84), gesture size (κ = 0.92), gesture location (κ = 0.84) and repetitions (κ = 0.92).
