This section abolished the "ultimate issue" rule in Nebraska. Reiber v. County of Gage, 303 Neb. 325, 928 N.W.2d 916 (2019).

Under this section, a witness may not give an opinion as to how the case should be decided, but, rather, must leave the conclusions to be drawn by the trier of fact, because such opinions are not helpful. Reiber v. County of Gage, 303 Neb. 325, 928 N.W.2d 916 (2019).

Under this section, the basic approach to opinions, lay and expert, is to admit them when helpful to the trier of fact. Reiber v. County of Gage, 303 Neb. 325, 928 N.W.2d 916 (2019).

The "ultimate issue rule," which prohibited witnesses from giving opinions or conclusions on an ultimate fact in issue because such testimony, it was believed, usurps the function or invades the province of the jury, was abolished in Nebraska by this section. State v. Rocha, 295 Neb. 716, 890 N.W.2d 178 (2017).

Under this section, the basic approach to opinions, lay and expert, is to admit them when helpful to the trier of fact. State v. Rocha, 295 Neb. 716, 890 N.W.2d 178 (2017).

An otherwise admissible expert's opinion is not objectionable because the opinion embraces an ultimate issue to be decided by the trier of fact. State v. Reynolds, 235 Neb. 662, 457 N.W.2d 405 (1990); State v. Rotella, 196 Neb. 741, 246 N.W.2d 74 (1976).

This section must be read in conjunction with sections 27-702, and 27-401 to 27-403, for this section does not render all expert testimony admissible. Under this section, the test is not whether the expert's opinion or inference invades the province of the jury, but whether the opinion or inference is otherwise admissible and will assist the trier of fact to understand the evidence or determine a fact in issue under section 27-702. State v. Reynolds, 235 Neb. 662, 457 N.W.2d 405 (1990).

Auto manufacturer's expert witness entitled to present illustrative experiment and to testify regarding an ultimate issue of fact. Shover v. General Motors Corp., 198 Neb. 470, 253 N.W.2d 299 (1977).

Possible modification of rule relating to opinion of investigator as to point of impact discussed but not applied retrospectively. Rawlings v. Andersen, 195 Neb. 686, 240 N.W.2d 568 (1976).