Across
- 1. reduces the effect of variations
- 3. to reproduce the conditions of a situation
- 7. subset of a population
- 8. randomly assigning subjects to groups
- 9. consists of only available members of a population
- 10. each member of the population is assigned a number
- 12. a collection of some outcomes, responses, measurements or counts that are of interest
- 13. steps taken to reduce the effects of lurking variables
- 15. repetition of an experiment
- 16. the amount of people in a population
- 17. using a population to draw a conclusion about a corresponding variable
- 18. the subject nor the experimenter knows whos getting the treatment or a placebo
Down
- 1. the subject doesn't know if they are receiving the treatment or a placebo
- 2. explanatory variables in an experiment
- 3. members from each segment of the population
- 4. members from randomly selected segments of a population
- 5. matching treatment groups in systematic ways
- 6. every possible sample of the same size has an equal chance of being chosen
- 11. an investigation of one or more characteristics of a population
- 14. describes a population characteristic