Following is a test to evaluate your Gunas (attributes) as per the Samkhya philosophy. This I believe is a core part of Yoga and Ayurveda and can appeal to you as a self-evaluation, even if you do not believe in any of the other stuff.
For an introduction to Gunas, the amazing wikipedia.
My simpified version, a high Sattva means you are working on your spiritual quest, a high Rajas you are the typical go-getter\achiever, high on Tamas means you are not living to your potential.
This particular test is derived from Yoga and Ayurveda by David Frawley (Dr Vamadev Sashtri. Fill in a cross for each section that matches your current position and then total each column at the bottom to see your current leanings.
Guna\MENTAL CONSTITUTION CHART
DIET: Vegetarian__________Some meat_____________Heavy meat diet__________
DRUGS, ALCOHOL AND STIMULANTS: Never___________Occasionally_________Frequently______________
SENSORY IMPRESSIONS: Calm, pure______Mixed_______Disturbed__________
NEED FOR SLEEP: Little__________Moderate__________High________________
SEXUAL ACTIVITY: Low_________Moderate__________High________________
CONTROL OF SENSES: Good______Moderate__________Weak_______________
SPEECH: Calm and peaceful________Agitated___________Dull________________
CLEANLINESS: High_____________Moderate___________Low_______________
WORK: Selfless_______________For personal goals_______Lazy_______________
ANGER: Rarely______________Sometimes___________Frequently_____________
FEAR: Rarely________________Sometimes___________Frequently_____________
DESIRE: Little_______________Frequent_____________Excessive______________
PRIDE: Modest_______________Some Ego____________Vain_________________
DEPRESSION: Never___________Sometimes_________Frequently_____________
LOVE: Universal_______________Personal___________Lacking in love_________
VIOLENT BEHAVIOR: Never______Sometimes_______Frequently_____________
ATTACHMENT TO MONEY: Little______Some_________A lot_______________
CONTENTMENT: Usually____________Partly___________Never______________
FORGIVENESS: Easily__________With effort________Holds grudges___________
CONCENTRATION: Good_______Moderate_____________Poor________________
MEMORY: Good_______________ Moderate____________Poor_________________
WILL POWER: Strong___________Variable_____________Weak________________
TRUTHFULNESS: Always______Most of the Time_______Rarely_______________
HONESTY: Always____________Most of the Time_______Rarely_______________
PEACE OF MIND: Generally______Partly______________Rarely_______________
CREATIVITY: High_____________Moderate____________Low________________
SPIRITUAL STUDY: Daily________Occasionally________Never______________
MANTRA, PRAYER: Daily________Occasionally________Never______________
MEDITATION: Daily_____________Occasionally________Never______________
SERVICE: Much_________________Some______________None________________
Total: Sattva_____________Rajas_____________________Tamas________________