A fully-stocked bar helps.

Hire attractive people.  Seriously, there was I study for neuroscience I read once; you might try to find it.  They tried different configurations, different activities, sound, etc.  Where people tended to congregate was where they told the models they hired to be part of the study group to hang out.

"Is it possible to realize psychosocial elements which effect users feeling in built environment for a designer to use them in order to develop a better space in ahead project? . . . "

translating from arch-babble to real words . . . 

"Are there methods to design a space to positively effect the feelings and actions of it's inhabitants."

 ". . . . Is there any study about? any cases?"

translating  . . . 

"I have a research assignment and don't want to do research so please do it for me. "

No, a blank gray concrete room with only a dentist chair and Dr. Mengle behind it will always give off warm vibes.