Which of the following is true of Weber's constant?
A) Weber's constant for pitch is 1/444.
B) Weber discovered that the threshold for perceiving differences in the intensity of light is about 8 percent.
C) Weber's constant is not valid for noticing differences in lifted weight.
D) Weber's constant for light is inaccurate when extremely bright or dull lights are compared.
D
You might also like to view...
When an individual pays very little attention to the content of a persuasive message and focuses instead on superficial aspects of the message, the message is being processed using the:
a. peripheral route to persuasion b. central route to persuasion c. internal attribution method d. external attribution method
Programmed learning is designed to:
a. ignore individual differences b. provide the student with sufficient reinforcement for his or her performances c. teach the individual to be highly creative and imaginative d. be efficient but relatively boring
Which of the following statements regarding ulcers is true?
A) Helicobacter pylori is a bacterium that lives in stomach acid and causes stomach ulcers. B) Stress is the primary cause of ulcers. C) Spicy foods and an unhealthy diet are the primary causes of ulcers. D) Ulcers are uniquely genetic and stress has nothing to do with the symptoms of ulcers.
According to Binet, mental age refers to
A) the typical intelligence level found for people of a given chronological age. B) simply a person's age. C) a measure of a person's psychological and emotional development. D) development level of the prefrontal cortex.