A tragic train crash in Sweden in the 1800s led to what psychophysical finding?
a. Swedish rail employees were 0.8 seconds apart in their perception of railway signals.
b. A correction factor between two observers, called the personal equation, could improve operation of railway signals and reduce train crashes.
c. Nearly 5% of Swedish rail employees were color blind.
d. The development and use of the chronograph increased reliability of rail employees’ observations and signal operation.
C
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In both storage and processing functions, older adults have a decline in working-memory capacity
Indicate whether this statement is true or false.
Researchers have frequently documented the effects of context and expectation on percpetion by studying set. There are three types of sets:
a. perceptual, objective, and subjective. b. component recognition, perceptual, and mental. c. motor, mental, and perceptual. d. component recognition, percpetual, and motor.