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Teachers are among the most powerful influences in learning. Teachers need to be directive, influential, caring, and actively engaged in the passion of teaching and learning. Teachers need to be aware of what each and every student is thinking and knowing to construct meaning and meaningful experiences in light of this knowledge, and have proficient knowledge and understanding of their content to provide meaningful and appropriate feedback such that each student moves progressively through the curriculum levels. Teachers need to know the learning intentions and success criteria of their lessons, know how well they are attaining these criteria for all students, and know where to go next in light of the gap between students’ current knowledge and understanding and the success criteria of: “Where are you going?”, “How are you going?”, and “Where to next?”. Teachers need to move from the single idea to multiple ideas, and to relate and then extend these ideas such that learners construct and reconstruct knowledge and ideas. It is not the knowledge or ideas, but the learner’s construction of this knowledge and these ideas that is critical. School leaders and teachers need to create school, staffroom, and classroom environments where error is welcomed as a learning opportunity, where discarding incorrect knowledge and understanding is welcomed, and where participants can feel safe to learn, re-learn, and explore knowledge and understanding (Hattie, 2009, pp. 238-239).

most cutting-edge tool under development is the “teachable agent” — a computerized character who learns, tries, makes mistakes and asks questions just like a real-world pupil.

Stanfor

There is an oversupply of PhDs. Although a doctorate is designed as training for a job in academia, the number of PhD positions is unrelated to the number of job openings. Meanwhile, business leaders complain about shortages of high-level skills, suggesting PhDs are not teaching the right things. The fiercest critics compare research doctorates to Ponzi or pyramid schemes.

A graduate assistant at Yale might earn $20,000 a year for nine months of teaching. The average pay of full professors in America was $109,000 in 2009

America produced more than 100,000 doctoral degrees between 2005 and 2009. In the same period there were just 16,000 new professorships.

Salman Khan talks about how and why he created the remarkable Khan Academy, a carefully structured series of educational videos offering complete curricula in math and, now, other subjects. He shows the power of interactive exercises, and calls for teachers to consider flipping the traditional classroom script -- give students video lectures to watch at home, and do "homework" in the classroom with the teacher available to help.

IMHO iAnnotate is far superior. There are a couple of areas GoodReader excels (like in the automatic page fit, having two up, etc), but by and large iAnnotate does everything else more effectively. These are just a few reasons why it suits my workflow better than GoodReader: - Tabs. It speaks for itself, but having several documents open with the ability to flick between them is useful. - Sharing features. The ability to email or paste to clipboard a summary of all notes/highlights/annotations you've made is just brilliant, and makes light work of noting the most poignant areas in an academic article. - Annotation tools. They are far quicker to access than in GoodReader. If you want to highlight something in iAnnotate, you just tap the icon in the toolbar and drag it over the text (as much as you want – you can scroll through the document even with the highlight tool selected) before confirming your selection. You can set as many different colour highlighters up as you want. By contrast, in GoodReader you must tap-and-hold, drag the handles to select a continuous chunk of text, then tap highlight from the popup. If you want to change the colour of the highlight you need to tap, choose colour, confirm your choice; using multiple colours is just too time consuming. I prefer the behaviour of notes in iAnnotate too, for reviewing and revision purposes. Tapping every note in GoodReader is tiresome.