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Reliability in Classroom Observations - Harvard Graduate School of ...

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TAP Teacher Evaluations versus<br />

Traditional Teacher Evaluations<br />

70%<br />

Observational Rat<strong>in</strong>gs <strong>in</strong> Urban Districts<br />

with Non-B<strong>in</strong>ary Scales Reported <strong>in</strong> The<br />

Widget Effect<br />

70%<br />

Observational (SKR) Rat<strong>in</strong>gs <strong>in</strong> TAP<br />

<strong>School</strong>s Before Value-Added Scores are<br />

Calculated<br />

60%<br />

60%<br />

50%<br />

50%<br />

40%<br />

40%<br />

30%<br />

30%<br />

20%<br />

20%<br />

10%<br />

10%<br />

0%<br />

Lowest<br />

Rat<strong>in</strong>gs<br />

Middle<br />

Rat<strong>in</strong>gs<br />

Highest<br />

Rat<strong>in</strong>gs<br />

0%<br />

1 1.5 2 2.5 3 3.5 4 4.5 5

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