The phrase "create a tendency" is correct and usable in written English.
You could use it to refer to establishing a pattern or inclination, for example: "Lack of sleep can create a tendency for irritability."
Exactly how genes create a tendency toward more or less educational attainment remains fundamentally unclear.
This favourable increase in the lift-to-drag ratio will create a tendency for the hand to "fly" up and over.
A ballast is screwed to the end of the thread of the cup to create tactile feedback and create a tendency to return to the primary position.
It is my belief that the schools in Stamford only seem to be inferior because the town's efforts to have each school reflect the population of the town whole create a tendency for test scores to average down, whereas in Greenwich, some schools test very high, and others don't.
Although prolactin has been reported to create a tendency to the cardiovascular diseases [45 48], our study demonstrated no correlation of prolactin with sCD40L and hs-CRP.
Under undrained conditions, when a dense sandy soil layer is sheared, grain crushing will create a tendency for volume shrinkage, and result in an increase of excess pore-water pressure.
According to the doctrine, good conduct brings a pleasant and happy result and creates a tendency toward similar good acts, while bad conduct brings an evil result and creates a tendency toward similar evil acts.
I know that I was very lonely as a child, and that has created a tendency in me to feel lonely even if I'm surrounded with friends.
When a public university receives funding from big donors, rich parents, and corporate scholarships, it creates a tendency to view education as investment in the individual.
A tactful desire to avoid any sensationalizing of Romney's faith has created a tendency not to give it appropriate due.
