 Statistically validated analyses from the two experiments provide evidence that: a) Human-Initiative (HI) systems outperform purely teleoperated or autonomous systems in navigation tasks;
<meaning-changed>  Statistically validated analyses from the two experiments provide evidence that: a) Human-Initiative (HI) systems outperform purely teleoperated or autonomous systems in navigation tasks;
 Statistically validated analyses from the two experiments provide evidence that: a) Human-Initiative (HI) systems outperform systems with single modes of operation, such as pure teleoperation, in navigation tasks;