| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| letter of permission to conduct the study | 1.5 | 1 | 1758 | 62 | 41 |
| letter | 1.75 | 0.3 | 5084 | 77 | 6 |
| of | 1.67 | 0.8 | 92 | 36 | 2 |
| permission | 1.89 | 0.3 | 1533 | 6 | 10 |
| to | 0.73 | 0.2 | 4470 | 28 | 2 |
| conduct | 1.02 | 1 | 7178 | 63 | 7 |
| the | 1.48 | 0.7 | 3500 | 35 | 3 |
| study | 1.47 | 0.3 | 105 | 10 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| letter of permission to conduct the study | 1.59 | 0.4 | 9702 | 91 |
| permission letter to conduct a research study | 0.45 | 0.9 | 2862 | 50 |
| sample letter of permission to conduct study | 1.6 | 0.9 | 7001 | 32 |
| permission to conduct the study | 1 | 0.2 | 8924 | 44 |
| letter of permission research study | 1.35 | 0.5 | 4237 | 22 |
| letter of permission to conduct research | 1.92 | 0.5 | 5560 | 11 |
| permission letter to study while working | 1.03 | 0.5 | 141 | 43 |
| sample permission letter for research study | 0.36 | 1 | 5343 | 4 |
| case study permission letter | 1.02 | 1 | 4394 | 39 |
| permission letter to pursue further studies | 0.36 | 0.1 | 1900 | 24 |
| letter of permission in research | 1.48 | 1 | 1292 | 93 |
| permission letter for conducting research | 1.59 | 0.5 | 2408 | 83 |
| longitudinal study permission letter | 0.49 | 0.5 | 4724 | 93 |
| permission letter for students | 0.04 | 0.4 | 6966 | 71 |
