Complete the crossword puzzle below

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Across
  1. 4. the process of arbitrarily putting people into conditions
  2. 7. a type of study when neither the participants nor members of the research are aware of the participant placement of conditions
  3. 9. a reason why researchers are not systematic when putting people into conditions
  4. 11. the best method for acquiring large sample sizes
  5. 12. an in-depth investigation of a participant over time
  6. 13. the best method for determining causality
  7. 14. an outcome of what can happen when participants are being watched
Down
  1. 1. a reason why survey responses may not be accurate
  2. 2. a method that involves watching the behavior of participants
  3. 3. a method that is time intensive due to data transcription
  4. 5. a method that only produces objective data
  5. 6. a method that entails verbally querying multiple participants simultaneously
  6. 8. a variable that is left uncontrolled yet is potentially relevant
  7. 10. a manipulated variable