Differences in students' test scores may result from many factors, including lack of preparation or motivation to do well.

Not having any shows a lack of interest and preparation, he said.

A lack of preparation contributed to the high death toll.

Also, he did not know where to begin, and continually suffered from lack of preparation.

He doesn't run away to find her too due to his lack of preparation.

This takes us back to the lack of preparation for winning the cold war.

"Was it lack of preparation or a failure to command?"

They have seen players fail at the college level for lack of preparation, discipline, or both.

Consequently, the delay is not due to any lack of preparation on our part.

If she died, it would not be from a lack of preparation.