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The impact of office noise on functionality has lately been the subject of much debate. Several studies have attempted to measure the effect of sound on office performance, but no consensus has been attained. Studies have tried to check the impact of surrounding noise on degrees of fatigue and alertness, but the results are mixed. A number of investigators report that the outcomes are consistent with a high number of classes, but conclusions are frequently controversial. A special laboratory test (EQ-i) was developed for the experimental assessment of office noise. The test has been demonstrated to be a reliable tool for measuring the impact of sound on office productivity.
The EQ-i relies on two components. 1 part measures the cognitive processing of office employees, while another component measures the subjective reaction of office employees to various visual stimuli. The testing process is performed in a quiet area with the sound of a computer turned off. A battery of tests is performed on a particular group of office employees. A subjective questionnaire is also carried out on each person to receive information in their working habits and opinions about the workplace environment. After a series of evaluations are conducted on a random sample of workplace employees, an average total score is calculated for each individual.
Several alternative explanations have been advanced to account for the results of the EQ-i results. Possible explanations are that office workers were not subjected to sufficient substantial intensity or low intensity noise throughout the testing interval, workplace equipment was inaccurate, or the results were skewed due to several confounding factors. No alternate explanation has yet to be provided that can clarify the results obtained from this test.
A test study was conducted to ascertain the relationship between ambient temperatures and indoor lighting at a health setting. Researchers measured indoor lighting in four different points from the office space and found a strong and significant relationship between both. The researchers attributed this connection to the effect of light on employee's moods. Indoor temperature was found to be negatively related to the disposition of office workers as evidenced by a statistically significant increase in stress levels. The authors concluded that"the present review... indicates that there is a negative relationship between ambient temperature and disposition among office workers."
In another study, researchers examined the impact of red vs. blue light on neurobehavioral testing. They measured neurobehavioral testing at a dimly-lit area and found no difference in functionality between conditions. However, the researchers stressed the importance of using an proper neurobehavioral testing protocol and performing standardized psychological tests in clinical settings. They also highlighted that more studies should be done to analyze the impact of reduced illumination on neurobehavioral testing.
A third research project tried to measure the effect of temperature on reaction time in a laboratory setting. Researchers measured reaction time in a dimly-lit space and found that the response time increased when there was an increase in room temperature. However, they worried that this was not a significant impact and was affected by the existence of different aspects. By way of example, a slight increase in temperature decreased the amount of beta activity. Furthermore, the researchers emphasized that the effect of temperature on the response time could have significant consequences for executive function evaluation.
The fourth study project tested the impact of temperature on executive function in an environment with two different light-sensitivity levels (daytime or dark). Two office workers, one having a day/night preference and another using a no-light preference, participated in a task where their performance was tested using a reaction time paradigm. After completing the job, the operation of both office workers was compared. The results demonstrated a significant principal effect of temperature on the reaction time (p = 0.049). The authors concluded,"A distinct window of temperature benefit may donate to executive processing speed." This study showed that fever did really have a favorable impact on reaction time when it was commanded for ambient lightness or darkness.
In general, these studies confirm the significance of temperature for function performance. Specifically, they show that temperature can modulate numerous aspects of performance like attention, mood, alertness, and psychological performance. Office workers are especially prone to temperature changes, which is likely due to the inherently challenging nature of the work that involves sitting in front of a monitor or working with intense lighting conditions.
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