Extensive observation of expert witness testimony in numerous trial settings generates a constellation of positive traits that can further guide the expert in achieving testimonial excellence:

• Knowledge of the science or specialty area.
• Ability to translate the complex into the simple.
• Openness and honesty, even to the extent of admitting fallibility or possibility of error.
• Substantial history of solving similar problems in the past, both actual and theoretical.
• Testimony consistent with that of other experts.
• Use of expert information and investigation in unique ways.
• Creative preparation of models, charts, drawings and demonstrations.
• Irrefutable scientific, technical, factual or professional data back-up.
• Careful attention to factual elements, testing and lab results, measurements and similar components.
• Supportive use of the literature.
• Absence of exaggeration or underestimation.
• Careful testing and documentation.
• Ability to support every conclusion with examples and real-life application.
• Correct use of standard formulas.
• Coordination of verbal testimony with documentary and demonstrative evidence.
• Quietness, calmness and humility, combined with self-confidence and conviction.
• Ability to convey a sense of genuine caring for the outcome and the people involved, while maintaining and projecting an objective attitude of non-advocacy.
• Opinions that are supported by admitted evidence.
• Absorption of opposition testimony that supports the expert's own position.
• Grappling with facts and substantive factors to yield a meaningful result.
• Hands-on participation in a corrective process.
• An outstanding résumé or curriculum vitae.

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