Table 4.

The seven study events included in our analyses, along with their respective protocol numbers, data collection settings (laboratory versus field), task descriptions, and outcome measures and domain.

Study event, protocol number, setting, dates	Description	Outcome measure(s), and domain(s)
Prediction Study: Cognitive Arm (18–007), Laboratory Setting, Data collection: 3/21–11/21	Individual participants are exposed to an acute physical stressor (threat of torso shock) while attempting to perform difficult marksmanship, memory, and spatial orienting tasks in virtual reality (Brunyé and Giles, 2023). Stressors are threat of electric shock, time pressure, and decision uncertainty.	Spatial orienting accuracy (navigate), target elimination efficiency (shoot), discrimination during marksmanship decision making (shoot), heart rate variability (sustain).
Prediction Study: Physical Arm (17–002), Laboratory Setting, Data collection: 2/22–8/22	Individual participants complete a strenuous bout of physical exertion and load carriage on a treadmill while attempting to perform difficult marksmanship, memory, and communication tasks on a computer display (Giles et al., 2022). Stressors are physical exertion, time pressure, and decision uncertainty.	Speech accuracy (communicate), VO2 max test time to exhaustion (move), discrimination during marksmanship decision making (shoot), percent of VO2 max (sustain), heart rate as percent of heart rate at VO2 max (sustain).
Small Unit Performance Analytics (SUPRA; 20–001 & 18–003, STUDY00001542), Field Setting, Data collection: 3/21–8/23	Squad-sized teams of participants execute infantry battle drill 2A in a situational tactical exercise (STX) lane while overall unit performance is assessed (O’Donovan et al., 2023). Stressors are physical exertion, decision uncertainty, time pressure, and social evaluation.	Observer-controller (OC) scores for information exchange (communications) and violence of action (move), time to kill first opposing force member (shoot), percent of max heart rate (sustain).
Repeated Bouts of Physical Stress (REPPS: 20–005), Laboratory Setting, Data collection: 4/21–5/23	Individual participants complete a multi-day simulated mission involving repeated ruck marches, accelerated movements, and scenarios involving react to contact battle drill (O’Fallon et al., 2022). Stressors are physical exertion, physical encumbrance, time pressure, and decision uncertainty.	Maintained isometric torque on dynamometer from pre- to post-task (sustain).
Tactical Stress Marksmanship Assessment (TSMA: 20–008), Field Setting, Data collection: 3/21–4/23	Individual participants complete running anaerobic sprint tests accompanied by live-fire marksmanship assessments while unloaded or carrying (~30 kg) loads (Cantelon et al., 2023). Stressors are physical exertion, physical encumbrance, time pressure, and threat of serious injury.	Time to complete running anaerobic sprint test (move), points during marksmanship course (shoot), marksmanship decision score (shoot), percent of max heart rate (sustain), maintained speed on successive bouts (sustain).
Individual Shooting Scenario (ISS: 20–005, 20–001, 18–003), Field Setting, Data collection: 6/21–8/23	Individual participants execute a scenario involving movement to a shooting position and engaging targets in a simulated marksmanship task (Brown et al., 2022a). Stressors are physical exertion (sprints), time pressure, and decision uncertainty.	Mobility score (move), fundamental marksmanship score (shoot), operational marksmanship score (shoot), overall lethality (shoot), weapon stability (shoot), marksmanship accuracy (shoot).
Team Shooting Scenario (TSS: 18–003), Field Setting, Data collection: 6/21–8/23	Fireteam-sized teams of participants execute a scenario involving an escalating-difficulty simulated marksmanship task requiring communication and coordinated responses (Brown et al., 2022b). Stressors are time pressure, decision uncertainty, and social evaluation.	Total communication score (communicate), marksmanship accuracy (shoot), percent of targets engaged (shoot).