Most adopt policies recommending a specific length of time students at each grade level should spend on homework.

We indulged him, avoiding this particular wardrobe for a specific length of time.

The specific length of the socks depends on depth and food availability.

Methods include concentrating on a single word or thought for a specific length of time.

Extending beyond a specific length, the response would become progressively weaker.

Play for a specific length of time, and the person with the fewest points at the end is the winner.

Vacuum is created inside the container and maintained for a specific length of time.

The definition of a short-term goal need not relate to any specific length of time.

Other investigators had followed it as well, but in less than half the cases they had done full scans on specific lengths.

Each type of cell has a specific optimal length for its cilia.