Who said "What we observe depends partly on what we expect to find."?

This quote is attributed to Hanson, Norwood Russell.

What we observe depends partly on what we expect to find. - Hanson, Norwood Russell

"What we observe depends partly on what we expect to find."

Hanson, Norwood Russell Education

Philosopher of Science American 1924–1967

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"Education opens doors to endless possibilities."

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