Apparatus for Brief Visual Stimuli Presentation
The question asks to identify the apparatus used for presenting visual stimuli for very short durations.
Analyzing the Options
- Visual Cliff: This apparatus is designed to test depth perception, particularly in infants and young animals. It does not primarily serve to present stimuli for brief durations.
- Tachistoscope: This device is specifically engineered to display visual stimuli (like images, words, or patterns) for precisely controlled, very brief exposure times, often measured in milliseconds. This matches the question's requirement.
- EEG Apparatus: Electroencephalography (EEG) equipment measures and records brain wave activity. It is unrelated to displaying visual stimuli.
- Trapezoidal Window: This is often used in experiments exploring perceptual constancy, such as shape constancy, where the shape of an object is viewed through a trapezoidal window to alter the perceived shape. It is not primarily for brief stimulus presentation.
Conclusion
Based on the function described, the Tachistoscope is the correct apparatus for showing visual stimuli for very brief durations.
Important Questions from Psychology and Life
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:
- According to __________ effect, workers' productivity improved when they were aware of being given special attention.
Any loss or abnormality of psychological, physiological or anatomical structure or function is called as __________
- The Central thesis of Abraham Maslow is:-
- 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
