Scientific Investigation

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Across
  1. 5. any sampling technique that involves selecting people from the population in a way that ensures that its strata (subgroups) are proportionally represented in the sample
  2. 8. the group of participants in an experiment who receive no experimental treatment or intervention in order to serve as a baseline for comparison
  3. 11. a subset of the research population who participate in a study
  4. 12. a statement outlining the purpose of an investigation
  5. 13. a measure of central tendency that describes the numerical average of a data set, expressed as a single value
  6. 16. a measure of central tendency that is the middle value in a data set ordered from lowest to highest
  7. 17. data collected first-hand by a researcher
  8. 18. any sampling technique that involves selecting readily available members of the population, rather than using a random or systematic approach
  9. 19. the variable the researcher measures in an experiment for changes it may experience due to the effect of independent variable
  10. 21. factual data that is observed and measured independently of personal opinion
  11. 23. data that is expressed numerically
  12. 24. any sampling technique that uses a procedure to ensure every member of the population has the same chance of being selected
Down
  1. 1. data that is informed by personal opinion, perception, or interpretation
  2. 2. an experimental design which combines elements of within-subjects and between-subjects designs
  3. 3. an experimental design in which individuals are divided into different groups and complete only one experimental condition
  4. 4. design an experimental design in which participants complete every experimental condition
  5. 6. data that is expressed non-numerically
  6. 7. the group of people who are the focus of the research and from which the sample is drawn
  7. 9. the ethical concept of avoiding causing harm
  8. 10. a testable prediction about the outcome of an investigation
  9. 14. the group of participants in an experiment who are exposed to a manipulated independent variable (i.e. a specific intervention)
  10. 15. the variable for which quantities are manipulated (controlled, selected, or changed) by the researcher, and the variable that is assumed to have a direct effect on the dependent variable
  11. 20. the act of intentionally misleading participants about the true nature of a study or procedure
  12. 22. data sourced from others’ prior research