Table 12 Reliability analysis results of driverless system (n = 504).

From: Elucidation of user autonomous driving system preference mechanisms under the extension of internal and external factors

Dimension

Items

Corrected item-to-total correlation

Cronbach’s α if item deleted

Cronbach’s α

US

US1

0.639

0.750

0.806

US2

0.666

0.721

US3

0.655

0.733

PS

PS1

0.644

0.740

0.805

PS2

0.658

0.726

PS3

0.651

0.733

ER

ER1

0.591

0.730

0.779

ER2

0.629

0.688

ER3

0.629

0.688

UDH

UDH1

0.626

0.730

0.794

UDH2

0.632

0.724

UDH3

0.650

0.705

EE

EE1

0.632

0.731

0.796

EE2

0.634

0.729

EE3

0.653

0.708

TS

TS1

0.645

0.680

0.783

TS2

0.604

0.725

TS3

0.616

0.713

SC

SC1

0.662

0.721

0.804

SC2

0.653

0.730

SC3

0.637

0.746

ASS

ASS1

0.651

0.733

0.804

ASS2

0.669

0.713

ASS3

0.633

0.751

EF

EF1

0.638

0.766

0.812

EF2

0.636

0.766

EF3

0.711

0.688

SF

SF1

0.662

0.711

0.801

SF2

0.621

0.753

SF3

0.655

0.718

CUI

CUI1

0.646

0.747

0.808

CUI2

0.650

0.744

CUI3

0.673

0.720

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