Final answer:
The most accurate evaluation of the evidence linking text messaging to impacted writing skills is its relevance, showing a direct connection and potential causality.
Step-by-step explanation:
The best statement that evaluates the use of evidence regarding the impact of text messaging on students' writing skills is that the evidence is relevant because it shows a connection between writing skills and text messaging. The study cited from the Association for Early Literacy pertains directly to the claim and demonstrates a potential causal effect on students' writing performance due to the acquisition of cell phones capable of text messaging. Thus, the evidence is not only relevant but also substantiates the argument presented.