The smallest, weakest stimulus that an organism can detect is known as the_______threshold.

Related Mcqs:

1. Which THREE of the following are true regarding habituation and dishabituation?
   1:Habituation involves a gradual reduction in the magnitude of the response to repeated presentation of the response of a stimulus
   2:In dishabituation, the response returns when a salient extraneous stimulus is presented just before a trial with the habituated stimulus
   3:Habituation is caused by sensory-motor fatigue
   4:Habituation occurs as a consequence of the repeated presentation of a single event

   A. 1,2 & 3
   B. 2,3 & 4
   C. 1,2 & 4
   D. 4

2. When Pavlov repeatedly presented the conditioned stimulus without pairing it with the unconditioned stimulus, the conditioned response failed to occur. This is known as __________________?

   A. condition failure
   B. recovery
   C. extinction
   D. habituation

3. The idea that the amount of change in a stimulus necessary to produce a JND is a constant proportion of the stimulus intensity is called:

   A. James law
   B. The all-or-none principle
   C. The law of diminishing returns
   D. Weber’s law

4. The human organism is extremely_____environmental factors that can affect the organism include all the persons, objects, situations, and conditions that constitute the external would of any living individual:

   A. Complex
   B. simple
   C. Coward
   D. Social

5. Phonemes are the smallest units of______in a spoken language; morphemes are the smallest units of_______in language.

   A. sound; syntax
   B. meaning; syntax
   C. syntax; meaning
   D. sound; meaning

6. In which form of conditioning is the conditioned stimulus (CS) presented after the unconditioned stimulus (UCS) _______________?

   A. higher order conditioning
   B. forward conditioning
   C. backward conditioning
   D. second order conditioning

7. The ability to distinguish between a conditioned stimulus and similar stimuli that do not signal an unconditioned stimulus is called __________________?

   A. shaping
   B. acquisition
   C. discrimination
   D. generalization

8. Rahila found that a neutral stimulus becomes a conditioned stimulus only if it is contingent and:

   A. Inclusive
   B. Dominant
   C. Informative
   D. Appropriate

9. The presentation of an aversive stimulus of the removal of a positive stimulus are both examples of:

   A. negative reinforcement
   B. punishment
   C. positive reinforcement
   D. secondary reinforcement

10. The receptors in hypothalamus that detect the stimulus of smell, taste and blood carbon dioxide concentration is:

    A. Photoreceptors
    B. Mechanoreceptors
    C. Chemoreceptors
    D. All of the above