From a methodological perspective, cross-sectional educational research designs do not allow us to know whether a teacher is using a particular strategy because that teacher has high-achieving students, or whether that strategy is producing high-achieving students.
What I imagine is that it is simply the culture of companies, which have been using a particular business model for a very long time.
"You have to say why you're using a particular dose, what the background science is for the selection of the dose," Dr. Nelson said.
There were no permanent territorial claims to shellfish beds, although individual families repelled others while they were using a particular shellfish bed.
"It's historical revisionism -- they're using a particular place to enshrine these deaths, but in the history of the western movement, thousands of people died, so it's very difficult to claim this particular spot as sacred ground," said Barbara Dobos, a resident of Casper and public-lands advocate who has led the opposition to the church's efforts.
Last March Peter Luff, the minister for defence equipment – the position itself is telling – said in a speech in London: "The individual UK armed forces are in themselves a brand … If they are using a particular piece of kit, then that's the kind of endorsement a lot of companies are very keen indeed to have".
A spokeswoman for the National Offshore Petroleum Safety and Environmental Management Authority (Nopsema), which regulates offshore oil and gas operations in Australia, told the Guardian the only action it had taken in relation to the issue was more than three years ago, when it requested operators to reveal whether they were using a particular batch of bolts from one manufacturer.
This would identify the individual or the device that was using a particular IP address at any given time.
Why is using a particular set of protest frames within a particular institutional environment more likely to gain multi-channelled forceful intervention from the central government?
