Some are restricted for use by speech and language professionals (therapists or SALTs in the UK, speech-language pathologists, SLPs, in the US and Australia). A commonly used test battery for diagnosis of SLI is the Clinical Evaluation of Language Fundamentals (CELF).
Noun. (plural push factors). 1  A factor that leaves one with no choice but to leave one's current home (especially parental home), country, region, organization, or religion. 2  Link/Cite.
Whereas push factors drive migrants out of their countries of origin, pull factors are responsible for dictating where these travelers end up.The positive aspects of some countries serve to attract more immigrants than others. Below are three examples of pull factors that draw migrants to receiving countries.Higher standards of living/Higher wages: Economic incentives provide both the biggest push and pull factors for potential migrants.he positive aspects of some countries serve to attract more immigrants than others. Below are three examples of pull factors that draw migrants to receiving countries. Higher standards of living/Higher wages: Economic incentives provide both the biggest push and pull factors for potential migrants.