Sentence:  Sarason <WSD>et</WSD> al. present evidence that the anxious child will suffer in the test like situation , and that his performance will be impaired unless he receives supporting and accepting treatment from the teacher . 
Meaning of the word marked with <WSD> tags:  and others ('et al.' is used as an abbreviation of `et alii' (masculine plural) or `et aliae' (feminine plural) or `et alia' (neuter plural) when referring to a number of people)