The Validity of Less Well-Established Tests Is Established Through Expert

The validity of less well-established tests is established through expert testimony on voir dire and would require all of the following, except:

A) The expert witness possesses the required knowledge, training, and skill to qualify as an expert.
B) The expert witness must establish that the test will be helpful to the jury.
C) The expert witness must testify to the chain of custody of the evidence being tested.
D) The test at issue satisfies either Frye or Dauber, whichever is applicable in the jurisdiction.