An appellate court may interfere with a sentence imposed by a trial court, even in the absence of a material misdirection, where the disparity between the trial court's sentence and what the appellate court would have imposed is so marked that it can properly be described as "shocking", "startling" or "disturbingly inappropriate". In sentencing, courts must carefully balance the nature and circumstances of the offence, the personal circumstances of the offender, and the impact of the crime on the community. Provocation, particularly where a complainant has assaulted the accused's children, constitutes a weighty mitigating factor under section 238 of the Criminal Law (Codification and Reform) Act. Mischaracterisation of material facts (such as whether a weapon was used) constitutes a misdirection that may render a sentence inappropriate.