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The impact of office noise on performance has recently become the subject of much debate. Several studies have tried to measure the effect of noise on office operation, but no consensus was reached. Studies have tried to check the effect of ambient noise on levels of fatigue and alertness, but the results are combined. A number of investigators report that the outcomes are consistent with a large number of categories, but conclusions are frequently controversial. A special laboratory test (EQ-i) was designed for the experimental assessment of office noise. The evaluation has been demonstrated to be a trusted tool for quantifying the effect of noise on office productivity.
The EQ-i relies on two components. 1 part measures the cognitive processing of workplace employees, while another element measures the subjective reaction of office workers to various visual stimuli. The testing process is performed in a quiet area with the sound of a personal computer turned away. A battery of tests is done on a specific group of office employees. A subjective questionnaire can be carried out on every person to receive information on their working habits and opinions concerning the workplace environment. After a series of evaluations are performed on a random sample of office employees, a mean total score is calculated for every individual.
Several alternative explanations have been advanced to account for the results of the EQ-i results. Potential explanations are that office employees weren't exposed to enough substantial intensity or low intensity sound throughout the testing interval, workplace equipment was inaccurate, or the results were skewed due to a number of confounding factors. No alternative explanation has yet to be provided that can clarify the results obtained from this evaluation.
An evaluation study was conducted to determine the association between ambient temperatures and indoor lighting at a medical setting. Researchers measured indoor lighting in four distinct points from the office area and found a strong and significant relationship between the two. The researchers attributed this relationship to the effect of light on employee's moods. Indoor temperature was found to be negatively related to the mood of office workers as evidenced by a statistically significant increase in anxiety levels. The authors concluded that"the current review... indicates that there is a negative relationship between ambient temperature and disposition among office employees."
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 real difference in performance between conditions. However, the researchers stressed the importance of using an proper neurobehavioral testing protocol and performing standardized psychological evaluations in clinical settings. They also highlighted that more studies must be done to examine the impact of low illumination on neurobehavioral testing.
A third research project attempted to assess the impact of temperature on reaction time in a lab setting. Researchers measured reaction time in a dimly-lit space and found that the reaction time increased if there was an increase in room temperature. However, they worried that this wasn't a significant effect and was influenced by the presence of different factors. For instance, a small increase in temperature decreased the amount of beta activity. Furthermore, the researchers emphasized that the impact of temperature on the reaction time might have significant consequences for executive function evaluation.
The fourth study project tested the effect 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 the other using a no-light preference, participated in a task in which their performance was analyzed with a reaction time paradigm. After finishing the job, the operation of both office workers was compared. The results demonstrated a significant main effect of temperature on the reaction time (p = 0.049). The authors concluded,"A distinct window of temperature advantage may donate to executive processing rate ." This study showed that fever did indeed have a positive impact on reaction time as it had been commanded for ambient lightness or darkness.
In general, these studies confirm the significance of temperature for work performance. Specifically, they show that fever can modulate numerous aspects of performance like mood, attention, alertness, and psychological functioning. Office employees are especially prone to temperature changes, which is likely due to the inherently challenging nature of the work that involves sitting before a computer screen or working with extreme lighting conditions.
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