Across
- 1. the middle value in a data set
- 4. an inactive pill, liquid or powder that looks like the experimental treatment but has no effect on the body.
- 5. the relationship of one variable to another
- 8. the number of subjects in a clinical trial
- 9. branch of statistics applied to the analysis of biological phenomena
- 10. type of scientific experiment whereby research participants are randomly allocated to receive one or the other of the alternative treatments under study
- 11. consists of participants who receive experimental treatment or the placebo and serves as a comparison group to measure the effectiveness of the treatment or intervention.
- 12. a study in which the research participant, the researcher, and anyone assessing the outcome of the study is unaware of the treatment assignments.
- 13. any quantity that varies
- 14. the sum of values of all observations or data points divided by the number of observations, a mathematical average
- 15. an educated guess that answers a question or problem
Down
- 2. research participants exposed to the variable of the control group
- 3. applies when a hypothesis is rejected
- 6. can be measured and documented numerically
- 7. cannot be measured on a continuum and represented in quantitative relation to a scale