Perhaps the most important criteria teachers could use to identify and select video to mediate science learning is to be purposeful in their selection and to assess whether the video designers' purposes conflicts with their own as teachers; that is an imperative is being clear about reasons for showing a particular video and knowing how it connects to curriculum goals.
Liverpool were more purposeful in possession, particularly with the positioning of their full-backs.
I don't think I was as purposeful in what I was doing.
Mr. Liguori said that every show on OWN should be purposeful, in keeping with Ms. Winfrey's carefully cultivated brand.
Jack Colback was purposeful in midfield and Newcastle might have equalised in the first half but for Wojciech Szczesny's double save.
"I think they're more purposeful in what they're doing out there," said Jackson, whose team cruised to a victory over the Knicks in late December.
Pettitte appeared purposeful in all that he did today, as if he were following a script drawn up by Michael and Co.
The Algerian was sensationally good in the first half, delicately purposeful in possession and a ghost off the ball as Palace attacked.
After all, the People's Republic of China seems as purposeful in its planned development of railways, ports, new cities and nuclear-power plants as it is in its control of civil disobedience and obstruction of free expression.
His colleague Viktor Pivovarov, in a series of autobiographical text paintings called "A Project for a Lonely Man" (1975), charted the course of daily life, solitary but purposeful, in the underground.
In his public comments with Mr. Biden, Mr. Netanyahu focused on the need "to be persistent and purposeful in making sure we get to those direct negotiations that will enable us to resolve this conflict".
