| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| are secondary sources reliable | 1.64 | 0.4 | 2802 | 67 | 30 |
| are | 0.82 | 0.4 | 4232 | 3 | 3 |
| secondary | 0.58 | 0.3 | 4704 | 57 | 9 |
| sources | 0.82 | 0.1 | 316 | 37 | 7 |
| reliable | 0.78 | 0.1 | 360 | 75 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| are secondary sources reliable | 1.19 | 0.9 | 3985 | 36 |
| are secondary sources credible | 0.03 | 0.3 | 1780 | 96 |
| why secondary sources are reliable | 1.47 | 0.6 | 8372 | 71 |
| reliable secondary sources | 0.61 | 0.9 | 4696 | 12 |
| can secondary sources be reliable | 0.77 | 1 | 3181 | 1 |
| are encyclopedias reliable secondary sources | 1.1 | 0.6 | 9416 | 71 |
| secondary sources are valuable because they | 0.2 | 0.2 | 4549 | 64 |
| why secondary sources are relevant | 1.41 | 0.3 | 7700 | 56 |
| how useful are these secondary sources | 0.5 | 0.4 | 53 | 2 |
| why secondary sources are unreliable | 0.04 | 0.4 | 2394 | 98 |
| reviews are examples of secondary sources | 1.26 | 0.8 | 7545 | 18 |
| are primary or secondary sources more useful | 0.67 | 0.4 | 9522 | 97 |
| why secondary sources are needed | 0.76 | 0.2 | 7914 | 80 |
| validity and reliability of secondary sources | 1.07 | 0.5 | 46 | 44 |
| what makes a secondary source credible | 1.23 | 0.4 | 9242 | 87 |
| importance of secondary sources | 1.55 | 0.7 | 1380 | 59 |
| secondary sources have the advantage of | 1.66 | 1 | 3255 | 100 |
