What is the appropriate change for the sentence: "Kazdin (2008) discusses evidence based treatments as currently studied in relation to an overarching goal of interventions, namely, to reduce the burden of mental illness and the full range of social, emotional, and behavioral problems leading to impairment."

The appropriate change to the sentence in question involves the correct use of a hyphen in the term "evidence-based." This specific hyphenation is essential because it signifies that the phrase "evidence-based" acts as a compound adjective describing the treatments. In academic writing, particularly in APA format, clarity and precision in language are critical, and using the correct form of compound adjectives helps to avoid ambiguity.

Choosing to hyphenate "evidence-based" appropriately aligns with the conventions of APA style, which requires attention to detail in language use, especially in the context of research and academic writing. This choice enhances the readability of the sentence and maintains a professional tone by adhering to established standards in scholarly communication.

Other alternatives do not provide the same clarity due to missing the hyphen or incorrect punctuation, which can lead to confusion in interpretation or recognition of how the terms relate to each other. Thus, the selected change ensures that the information is communicated effectively and in adherence to APA guidelines.