| Similarity | Rank | |
|---|---|---|
| the_effectiveness_of | 0.761 | 9595 |
| their_effectiveness | 0.739 | 65235 |
| effectiveness | 0.738 | 5254 |
| the_efficacy_of | 0.698 | 20536 |
| effectiveness_of | 0.659 | 32347 |
| and_effectiveness_of | 0.651 | 67700 |
| efficacy | 0.632 | 12475 |
| the_usefulness_of | 0.612 | 34775 |
| and_efficacy_of | 0.606 | 58080 |
| its_impact | 0.605 | 43710 |
| its_benefit | 0.577 | 25266 |
| how_effective | 0.566 | 87974 |
| usefulness | 0.566 | 26552 |
| efficacy_of | 0.564 | 59785 |
| its_success | 0.549 | 20917 |
| efficiency_of | 0.549 | 5753 |
| its_effect | 0.548 | 20880 |
| its_strength | 0.544 | 36996 |
| its_quality | 0.538 | 41895 |
| its_potential | 0.535 | 32014 |
| its_effect_on | 0.533 | 58831 |
| its_impact_on | 0.532 | 44649 |
| cost-effectiveness | 0.532 | 49879 |
| the_credibility_of | 0.528 | 21815 |
| the_validity_of | 0.526 | 20531 |