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...