Which Witch

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The witch loves bad spelling and with every letter you type wrong she grows stronger.

Try to remember the words before you start:
hypothesis   independent   dependent   variable   extraneous   confounding   mundane   realism   reliability   validity   confidentiality   privacy   psychology   psychological   deception   opportunity   stratified   systematic   quota   qualitative  

Start the game
Be prepared for a fright!

Word score: 8 Score: 0

Which Witch