I believe that I should took psychology as my major however, I am so practical on the other side of my personality and I know if I took it as a searious subject I will hate it :S … wanna get an idea:
Extrovert: someone who probably has a messy desk; who leaves projects 75% completed then gets distracted by new, 'more exciting' projects; someone who communicates their ideas with enthusiasm and charm; makes instant decisions; hates 'paperwork' and the 'dull routines' of life, such as filling in order forms, checking bank statements, etc.; is usually 'fashionably late' to meetings, events and parties (and they love entertaining clients!); always has interesting screen savers.
Amiable: someone who is the 'peacemaker' in the office; is always striving for a 'win-win' in everything in life; someone who probably isn't terribly ambitious and striving, but is very happy to support and encourage others who are; someone who cannot say "No" very easily and so are probably on every committee going (whether they actually want to be or not); is more likely to make a decision on the spot if only to stop you 'hassling' them, otherwise will take weeks to make a decision (if at all, as they prefer others to make the decision for them); like to know what others are doing (in case they themselves are doing something inappropriate or foolish).
Analytical: 'GadgetMan' - has multiple PDAs in case one fails; has several computers for the same reason; adores punctuality; when they tell you they recently bought something they won't round the number up but will tell you to the exact dollar and cent how much they paid; loves playing with spreadsheets, charts and projections; will never make a decision on the spot; will buy a car based on fuel economy, servicing costs, resell value, depreciation and other factors, never 'because it's a lovely shade of blue'.
Pragmatic: a 'take charge' person; their view is the way things will probably get done; they listen to others' points of view out of courtesy or intellectual curiousity, but will still do things 'my way' ; doesn't take business rejection personally; not interested in how 'exciting' a project might be, only interested in how much money it will cost/make and how soon it can be implemented/built; very often the Pragmatic likes the colour ' Red '; doesn't have any photos of family or friends on their desk (too unprofessional); has a neat, organised desk.
