1.   A number of studies have demonstrated this tendency in action.

2.   But at least one ape has demonstrated a tendency to take out his frustration on the device.

3.   But while poised to get back on the path to the nomination, Dole continued to demonstrate a tendency for miscues and lackluster performances.

4.   In the past, Woods has not demonstrated a tendency to chip out and accept a bogey.

5.   In the weaker tales, Mason demonstrates a tendency to super-impose awkward metaphorical constructs on her narratives.

6.   Still, Menem and Fujimori have demonstrated authoritarian tendencies.

7.   The European Central Bank, under the presidency of Wim Duisenberg of the Netherlands, has demonstrated a tendency toward excessive secrecy.