12th review

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Across
  1. 4. A short summary of the entire article
  2. 7. An online database of free full text scientific journal articles
  3. 8. In this type of observational study, outcomes have not yet occurred as the study begins
  4. 9. Studies that involve the collection of data of individuals with no change to the environment
  5. 11. A variable that was not accounted for in the experimental design
Down
  1. 1. Studies that involve controlled conditions and manipulation of the environment by the researchers
  2. 2. In this type of observational study, outcomes have already occurred when the study begins
  3. 3. Whether or not there is a relationship or connection between two variables
  4. 5. A new idea, method or device that results in advancements or significant changes in society
  5. 6. When someone involved in the experiment is unaware of what group they are in
  6. 10. These types of journal articles are published by expert scientists and researchers and are reviewed by several other experts in the field