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Question

Phi-Phenomenon is best seen between which of the following time intervals?

The correct answer is
30 to 200 milliseconds

Phi-Phenomenon Optimal Perception Time

The Phi-Phenomenon is a perceptual illusion where the rapid sequence of static images creates the sensation of continuous motion. This effect is crucial in understanding visual perception and is often studied in psychology and neuroscience.

For the Phi-Phenomenon to be perceived effectively, the timing between the stimuli is critical. Research indicates a specific range within which this illusion is strongest:

  • Stimuli presented too quickly may appear simultaneous.
  • Stimuli presented too slowly may be perceived as separate events, not continuous motion.

The optimal time interval for observing the Phi-Phenomenon falls within a specific range:

  • Option 1: 50 to 350 milliseconds
  • Option 2: 110 to 320 milliseconds
  • Option 3: 30 to 200 milliseconds
  • Option 4: 215 to 375 milliseconds

The most widely accepted and empirically supported time interval for the clearest perception of the Phi-Phenomenon is between 30 and 200 milliseconds. This range allows for the brain to process the sequential stimuli as a single, moving object.

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Important Questions from Psychology and Life

  1. The concept of 'Balance' in Attitude Change is explained below. Identify the correct options: 

    (A) Fritz Heider described this change in the form of P-O-X triangle, which explains relationship between the aspects. 

    (B) P is the person whose attitude is being studied. O is another person, X is the topic towards which attitude is studied. 

    (C) Attitude changes if there is a state of imbalance between P-O, O-X, P-X attitude. 

    (D) Imbalance is found when all three sides are positive. 

    (E) Balance is found when all three sides of the P-O-X triangle are negative. 

    Choose the correct answer from the options given below:

  2. According to __________ effect, workers' productivity improved when they were aware of being given special attention.
  3. Any loss or abnormality of psychological, physiological or anatomical structure or function is called as __________

  4. The Central thesis of Abraham Maslow is:-
  5. Social perception comprises of:-
    (i) Initial impression formation
    (ii) Accurate knowledge of others
    (iii) Social influence on person's behaviour
    (iv) Perception of others personalities and feelings
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