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The effect of office noise on functionality has recently been the topic of much debate. Several studies have attempted to measure the results of sound on office operation, but no consensus was attained. Studies have attempted to check the impact of ambient noise on degrees of alertness and fatigue, but the results are combined. A number of researchers report that the outcomes are consistent across a large number of categories, but conclusions are frequently controversial. A special laboratory evaluation (EQ-i) was developed for the experimental assessment of office sound. The test has proven to be a reliable tool for quantifying the effect of sound on office productivity.
The EQ-i relies on two elements. 1 component measures the cognitive processing of office workers, while the other element measures the subjective reaction of office workers to various visual stimuli. The testing procedure is carried out in a quiet area with the noise of a personal computer turned away. A battery of tests is performed on a specific set of office employees. A subjective questionnaire can be carried out on each individual to obtain information on their working habits and feelings concerning the office atmosphere. Following a series of evaluations are performed on a random sample of office employees, a mean total score is calculated for every person.
Several alternative explanations have been advanced to account for the outcomes of the EQ-i outcomes. Potential explanations are that office employees were not exposed to sufficient substantial intensity or low intensity noise during the testing period, workplace equipment was malfunctioning or inaccurate, or the results were skewed due to a number of confounding factors. No alternate explanation has not yet been provided that can explain the results obtained from this evaluation.
An evaluation research was conducted to ascertain the relationship between ambient temperature and indoor lighting in a medical setting. Researchers measured indoor lighting in four different points from the office space and found a strong and significant relationship between the two. The investigators attributed this connection to the effect of light on employee's moods. Indoor temperature was shown to be negatively related to the disposition of office workers according to a statistically significant increase in anxiety levels. The authors concluded that"the present review... suggests that there is a negative relationship between ambient temperature and mood among office workers."
In another study, researchers tested the effect of red vs. blue light on neurobehavioral testing. They measured neurobehavioral testing at a dimly-lit room and found no real difference in performance between states. However, the researchers emphasized the importance of using an proper neurobehavioral testing protocol and executing standardized psychological evaluations in clinical settings. They also highlighted that more studies must be done in order to analyze the impact of reduced illumination on neurobehavioral testing.
A third research project attempted to measure the impact of temperature on reaction time in a lab setting. Researchers measured reaction time at a dimly-lit space and found that the reaction time increased if there was an increase in room temperature. However, they worried that this was not a significant impact and was influenced by the existence of other factors. By way of instance, a small increase in temperature decreased the quantity of beta action. Furthermore, the researchers emphasized that the effect of temperature on the reaction time could have significant consequences for executive function test.
The fourth research project tested the impact of temperature on executive function in an environment with two different light-sensitivity levels (daylight or dark). Two office workers, one having a day/night preference and another with a no-light preference, participated in a task in which their performance was tested with a reaction time paradigm. After finishing the task, the performance of both office workers was compared. The results demonstrated a substantial main effect of temperature on the response time (p = 0.049). The authors concluded,"A different window of temperature benefit may contribute to executive processing rate " This study demonstrated that temperature did really have a favorable effect on reaction time when 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 temperature can modulate multiple aspects of performance such as mood, attention, alertness, and mental functioning. Office workers are particularly susceptible to temperature fluctuations, which is likely because of the inherently challenging nature of the work that involves sitting before a monitor or working with intense lighting conditions.
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