shown to be within the area of Officer Badger's expertise, (3) there was no need for expert testimony because the jury was as well able as the expert to form an opinion, (4) the officer had insufficient facts upon which to base an opinion, and (5) the hypothetical question assumed facts not in evidence and facts in conflict. Basically, the objections question the sufficiency of the witness's expertise and the need for expert opinion evidence. Therefore, we turn to an examination of the rules concerning expert testimony.
An expert witness is one who, by reason of education or special experience, has knowledge concerning a subject matter about which persons who have no particular training are incapable of forming an accurate opinion or making a correct decision. Wade v. State (1986), Ind., 490 N.E.2d 1097; Moody v. State (1983), Ind., 448 N.E.2d 660. The trial court has broad discretion in determining the qualifications of an expert and in admitting opinion evidence. The sufficiency of the foundation for opinion evidence is a matter committed to the sound discretion of the trial court whose decision will be reversed only for an abuse of that discretion. Id.
Although it has been said that an expert witness must have observed facts sufficient to enable him to form a valid opinion, McFarland v. State (1978), 269 Ind. 385, 381 N.E.2d 85, those facts may be supplied in the form of a hypothetical question which incorporates facts previously adduced at the trial. Ashby v. State (1985), Ind., 486 N.E.2d 469; Brown v. State (1979), 271 Ind. 129, 390 N.E.2d 1000.
It also has been said that expert testimony is inappropriate and may be excluded from evidence when it concerns matters within the common knowledge and experience of ordinary persons and which the jury may determine as well as the expert. Breese v. State (1983), Ind.App., 449 N.E.2d 1098, trans denied; City of Bloomington v. Holt (1977), 172 Ind.App. 650, 361 N.E.2d 1211, trans. denied; Rosenbalm v. Winski (1975), 165 Ind.App. 378, 332 N.E.2d 249, trans. denied. However, if appropriate, opinion testimony by an expert witness even as to an ultimate fact in issue is not objectionable for the reason that it invades the province of the trier of fact. Breese, at 1111. To qualify as an expert, it has been said that two requirements must be met: (1) the subject matter must be related to some scientific field beyond the knowledge of the average lay person, and (2) the witness must be shown to have sufficient skill in that area so that his opinion probably will aid the trier of fact in its search for the truth. Grimes v. State (1983), Ind., 450 N.E.2d 512. The trend of recent cases seems to focus more attention on the knowledge and skill of the expert and whether the expert's opinion will be helpful to the trier of fact than on the question of the knowledge of the jury. See E.W. Cleary, McCormick on Evidence, at 33 (3d ed. 1984). This standard is incorporated in Fed.Rule of Evidence 702, which provides:
"If scientific, technical, or other specialized knowledge will assist the trier of fact to understand the evidence or to determine a fact in issue, a witness qualified as an expert by knowledge, skill, experience, training, or education, may testify thereto in the form of an opinion or otherwise."
In commenting upon Fed.R.Evid. 702, one authority has said:
"Must a court exclude expert testimony if the subject is within the comprehension of the average juror? Such a test is incompatible with the standard of helpfulness expressed in Rule 702. First, it assumes wrongly that there is a bright line separating issues within the comprehension of jurors from those that are not. Secondly, even when jurors are well equipped to make judgments on the basis of their common knowledge and experience, experts may have specialized knowledge to bring to bear on the same issue which would be helpful."
3 J. Weinstein and M. Berger, Weinstein's Evidence, § 702(02) (1985).