| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| historical research relating to autism | 1.88 | 0.6 | 8783 | 59 | 38 |
| historical | 0.7 | 0.9 | 463 | 42 | 10 |
| research | 1.66 | 0.6 | 7437 | 40 | 8 |
| relating | 0.63 | 0.2 | 4821 | 18 | 8 |
| to | 1.25 | 0.1 | 4539 | 24 | 2 |
| autism | 1.41 | 0.1 | 7741 | 84 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| historical research relating to autism | 0.49 | 0.6 | 9415 | 22 |
| abc autism historical research | 0.39 | 0.1 | 3788 | 87 |
| historical overview of autism | 0.34 | 0.5 | 7710 | 1 |
| historical background of autism | 0.87 | 1 | 4087 | 34 |
| historical perspectives on autism | 0.13 | 0.9 | 6276 | 84 |
| history of autism scholarly articles | 1.86 | 0.8 | 1494 | 98 |
| historical people with autism | 1.64 | 0.3 | 3792 | 47 |
| historical diagnosis of autism | 0.87 | 0.6 | 876 | 88 |
| recent research on autism | 1.58 | 0.5 | 8941 | 99 |
| who first researched autism in 1940 | 1.44 | 0.4 | 9836 | 31 |
| a history of autism | 0.32 | 0.7 | 8846 | 60 |
| history of autism article | 0.25 | 0.4 | 7894 | 47 |
| historic views on autism | 1.8 | 0.2 | 3415 | 66 |
| history of autism an overview | 0.79 | 0.9 | 1232 | 5 |
| when was autism discovered | 0.08 | 0.4 | 2689 | 3 |
| people with autism in history | 1.25 | 0.8 | 5484 | 79 |
| the autism history project | 1.7 | 0.5 | 397 | 49 |
| what year was autism discovered | 1.51 | 0.4 | 387 | 57 |
