Table 2. Behavioural responses (D) and potential predictors (I) used in the fitted models as dependent and independent variables, and observed variables (O) used in proportions and Chi square tests.
| Variable name | Description | Role / Type 1 |
|---|---|---|
| Number of movements | number of moving events | D / count |
| Duration of moving events | duration of moving events | D / cont |
| Duration of stationary events | duration of stationary events | D / cont |
| Duration of feeding | duration of leafhopper feeding events | D / cont |
| Moving % foraging period | total movement duration as % of foraging period | D / cont |
| Time | starting time of an event (relative to start of trial) | I / cont |
| Time to feed | starting time of the first feeding event in a trial | I / cont |
| Subject | observed individual | I / rnd block |
| Trial | observations of one arena | I / rnd block |
| Session | trials observed in parallel | I / rnd block |
| Series | sessions run in the same period of year | I / rnd block |
| Spider | presence of spider in a trial (present/control) | I / nominal |
| Predation | whether predation occurred in a trial (yes/no) | I / nominal |
| Prey | whether the individual became prey (yes/no) | I / nominal |
| Status | leafhopper status (control/victim/survivor) | I / nominal |
| Sex | leafhopper sex (male/female) | I / nominal |
| Movement state | prey movement state (at time of predation) | O / nominal |
| Leafhopper number | number of Psammotettix individuals in a trial (1L/2L) | I / nominal |
| Feeding status | whether a leafhopper started to feed (produce honeydew) during a trial (fed/not fed) | O / nominal |
| Predation period | period within a trial (pre-attack/post-attack) | I / nominal |
| Observation duration | duration of an observed period or a whole trial | I / cont |
| Spider weight | weight (mg) of Tibellus individuals | I / cont |
1 cont = continuous, rnd = random