A principal's observation of instruction is not 100% accurate. Not just b/c we have biases plus limited awareness and knowledge. Also b/c our very presence influences the teaching and learning in a classroom. This is why better evaluation systems start with the observed.

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@ReadByExample No one can observe/record what someone is thinking. Teaching is a thinking person's job. We can ask afterwards, however 💯s of other decisions are made after that point in time, so we can not expect it to be accurately recalled. Only teachers know what they are 🧠 at that moment.

@ReadByExample A principal's observation of instruction is only 100% accurate when their students get 100% on their tests!