Yes • 50%

No • 50%

Very Effective • 25%

Somewhat Effective • 25%

Not Very Effective • 25%

Not Effective At All • 25%

0 • 25%

1-2 • 25%

3-4 • 25%

5 or more • 25%

Yes • 50%

No • 50%

Technical failure identified • 25%

Human error identified • 25%

Both technical and human errors • 25%

No definitive cause found • 25%

Yes • 50%

No • 50%

USA • 25%

UK • 25%

Germany • 25%

Other • 25%

Controlled explosion • 25%

System malfunction • 25%

External seismic activity • 25%

Other • 25%

Technical malfunction identified • 25%

No technical issues found • 25%

Procedural error identified • 25%

Investigation inconclusive • 25%

Connectivity issues • 25%

Performance lag • 25%

Battery drain • 25%

App crashes • 25%

Technical failure • 25%

Human error • 25%

Sabotage • 25%

Investigation inconclusive • 25%

Instructions remain unchanged • 25%

Instructions are relaxed • 25%

Instructions are tightened • 25%

New instructions issued • 25%