III. Court Presentation
A. The ethical examiner/expert does not take advantage of his/her privilege to express opinions by offering opinions on matters within his/her field of qualification to which he/she has not given formal consideration.
B. Regardless of legal definitions, the examiner/expert will realize that there are degrees of certainty represented under the single term of "expert opinion." He/she will not take advantage of the general privilege to assign greater significance to an interpretation than is justified by the available data.
C. Where circumstances indicate it to be proper, the examiner/expert will not hesitate to indicate that, while he/she has an opinion derived from study and judgment within his/her field of expertise, the opinion may lack the certainty of other opinions that he/she might offer. By this or other means, he/she takes care to leave no false impressions in the minds of jurors or the court.
D. The examiner/expert will avoid unclear, misleading, circuitous or ambiguous language that may be misconstrued or misunderstood.
E. It is not the object of the examiner's/expert's appearance in court to present only the evidence that supports the view of the side that employs him/her. He/she has a moral obligation to see that the court understands the evidence as it exists and to present it in an impartial manner.
F. The examiner/expert will not by implication, knowingly or intentionally assist the contestants in a case through such tactics as will implant a false impression.
G. The examiner/expert will answer all questions put to him/her in a clear, straightforward manner and refuse to extend him/herself beyond his/her qualified field of expertise and competence.
H. Any and all photographic displays shall be made according to acceptable practices, and shall not be intentionally altered or distorted with a view to mislead the court or jury.
I. By way of conveying information to the court, it is appropriate that any of a variety of demonstrative materials and methods be utilized by the expert witness. Such methods and materials shall not, however, be unduly sensational.
J. By way of conveying information to the court, it is appropriate that any of a variety of demonstrative materials and methods be utilized by the expert witness. Such methods and materials shall not, however, be unduly sensational.
K. The examiner/expert should not exaggerate or embellish his/her qualification when testifying.