As affecting the credibility of a witness (a) in examining the witness as to a statement made by him or her in writing inconsistent with any part of his or her testimony it shall not be necessary to show or read to the witness any part of the writing provided that if the judge deems it feasible the time and place of the writing and the name of the person addressed, if any, shall be indicated to the witness; (b) extrinsic evidence of prior contradictory statements, whether oral or written, made by the witness, may in the discretion of the judge be excluded unless the witness was so examined while testifying as to give him or her an opportunity to identify, explain or deny the statement; (c) evidence of traits of his or her character other than honesty or veracity or their opposites, shall be inadmissible; (d) evidence of specific instances of his or her conduct relevant only as tending to prove a trait of his or her character, shall be inadmissible.
K.S.A. 60-422