Detect a visual target presented on a screen

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Reference no: EM132256838

You hypothesize that people who drive sports cars have faster reaction times than those who drive nonsports cars (e.g., sedans, pickup trucks, etc.). You design a task that measures response time to detect a visual target presented on a screen for 500 ms. The two types of drivers completed 300 trials of the task and the mean reaction times were calculated. The data are shown on the right. Did you find support for your hypothesis?

Mean reaction times

sports car drivers nonsports car drivers

556 592

542 560

544 415

490 509

480 412

503 570

463 470

477 509

493 469

576 458

596 534

496 460

559 574

568 518

583 598

451 509

401 549

501 526

599 575

490 467

449 447

508 559

401 581

418 460

413 496

586 515

423 486

428 403

586 590

594 564

414 445

528 594

459 432

559 439

442 500

Reference no: EM132256838

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