| make effective | 4.15 | It was made effective immediately. | ||
| prove effective | 2.70 | It might well prove more effective. | ||
| find effective | 1.12 | She has found it effective. | ||
| consider effective | 0.86 | The ALA is not considered as effective as DHA. | ||
| deem effective | 0.72 | The Tokyo connection was deemed most effective, he said. |