Prompt: Psychologists have known for many years that colour can affect how people feel. For this reason, attention should be given to colour schemes when decorating places such as offices and hospitals
Your side: Color can affect on the way human feels; however, it seems that it has nothing to do with working productivity and people health.
Comments: I think that this writing is quite perfect. Truly. It is very good not only in terms of grammars, but also in terms of story lines. There are only some minor mistakes which I shall point out as follows:
Colours have been parts of people's lives since ...
Although Some psychologists found that it can affect on the way human feel; this finding, however, ...
Explanations: Because you are arguing against the prompt, I think it is better to emphasize your point by using 'however' at the part that you argue for;thus, 'although' must be removed.
According to these survey takers , bright colours have a tendency ...
However,Rather, a high productivity can be achieved, ifwhen all employees work in ...
D r. Agung Nugroho, an Indonesian doctor working in my local hospital, states that patients are ...
Apart from thisIn fact, I personally argueinstead of focusing on the colourthat, the hospital should pay attention to hygiene and highly sophisticated hospital equipment which are what patients ...
As t he aforementioned evidences showedthat, colours do not play an important role in somesuch cases.
Explanations: In the last paragraph, I use 'such' in place of 'some' to refer to something of the same kind as the thing which has already been mentioned: