The phrase 'consistent tendency' is correct and usable in written English.
You can use this phrase to indicate a pattern or behavior that occurs with regularity or predictability. For example, "John has a consistent tendency to arrive at work early in the morning."
Under Saddam, Iraq's bureaucracy showed a consistent tendency to document orders, policies and minutes of meetings.
Conclusion: We confirmed that in the six eukaryotic species, there was a consistent tendency that neighboring genes are likely to be co-expressed.
There was a consistent tendency for the amount of α-helix to decrease and the β-sheet to increase.
The consistent tendency of the AQE response under DC mode at forward bias for different structures of CdTe devices indicates a same current direction without phase shift.
Each gallery has a clear and different focus, but there is a consistent tendency to favor groupings of works tightly related by time or place.
"The way that kids share things with each other and create together," added Robinson, "eventually other people get wind of it". But winds have a consistent tendency of changing.
If there is any consistent tendency in recent government spending, it is that spending on entitlements like Social Security and Medicare — which provide mostly private benefits — is rising and that investment and spending on national public goods is falling.
Aggressive behaviour can become a serious problem in older children, however, and by seven years of age a small proportion of boys do display an extreme and consistent tendency to be aggressive with others.
There was a consistent tendency for a player to play in lower divisions as his career progresses and a steady increase in the employment of non-white players from 7.6% in 1986 to 13.2% by 1996 (a 2001 figure is not available).
And I'd argue that an important source of failure was what I've taken to calling the timidity trap — the consistent tendency of policy makers who have the right ideas in principle to go for half-measures in practice, and the way this timidity ends up backfiring, politically and even economically.
On the other hand, the speech experiment shows no consistent tendency of the acceptability declinations due to the presence/absence of a carrier sentence, while the non-speech experiment shows, in several cases, that the presence of a carrier context could lower the detectability.
