| 21. | Of these, 11 agreed to participate in a controlled experiment.
|
| 22. | Experimental economics has promoted the use of scientifically controlled experiments.
|
| 23. | :: : No controlled experiment has confirmed that supposed effect.
|
| 24. | Econometricians often seek illuminating natural experiments in the absence of evidence from controlled experiments.
|
| 25. | Their lives have unfolded almost like a controlled experiment.
|
| 26. | It also justifies the approximation of large-sample statistics to the normal distribution in controlled experiments.
|
| 27. | In Colorado, charter schools are a small, controlled experiment.
|
| 28. | Those hypotheses should be testable in a controlled experiment.
|
| 29. | Only a very few medical treatments are well supported by scientific evidence using controlled experiments.
|
| 30. | They try, on the show, to conduct controlled experiments.
|
