Psychology And Life — Psychology STD 12 Humanities — Question
CBSE BoardEnglish MediumSTD 12 HumanitiesPsychologyPsychology And Life3 Marks
Question
State three effects of noise on human beings.
✓
Answer
Systematic research on the effects of noise on human beings shows the following:
When the task being performed is a simple mental task, such as addition of numbers, noise does not affect overall performance, whether it is loud or soft. In such situations, people adapt, or ‘get used’ to noise.
If the task being performed is very interesting, then, too, the presence of noise does not affect performance. This is because the nature of the task helps the individual to pay full attention to the task, and ignore the noise. This may also be one kind of adaptation.
When the noise comes at intervals, and in an unpredictable way, it is experienced as more disturbing than if the noise is continuously present.
When the task being performed is difficult, or requires full concentration, then intense, unpredictable, and uncontrollable noise reduces the level of task performance.
When tolerating or switching off the noise is within the control of the person, the number of errors in task performance decreases.
In terms of emotional effects, noise above a certain level causes annoyance, and can also lead to sleep disturbance. These effects are also reduced if the noise is controllable, or is necessary as a part of the person’s occupation. However, continued exposure to uncontrollable and annoying noise can have harmful effects on mental health.
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