Reliability ; The checking and scoring is based on the story that answers the question.
Validity ; The purpose of the test are writing,grammar and vocabulary.
Face validity ; The international English Language test.
Construct validity ; Measure your ability to analyze the data.
Content validity ; Present your argument,ideas and evidence.
Wash back ; The test was developed writing skills,grammar,vocabulary.
Practicality ; The writing test probably take along time to make , a detailed review of the responses.