REASONS FOR JUDGMENT
29 SPENDER J: I have had the benefit of reading in draft form the reasons for judgment of Wilcox J. I respectfully agree with them and with the orders he proposes. Since I am disagreeing with the conclusion of the learned primary judge, I wish to make some further observations of my own.
30 Whilst it appears that some judges of the High Court consider that some judges of the Full Court of the Federal Court, at least arguably, allow an appeal merely because they have a different view of the facts than the trial judge and not because they think that view was wrong (see the transcript of the application for special leave in Minister for Immigration and Multicultural Affairs v Jia Le Geng P34/1999 (14 April 2000) [and further, in that case, that it is impermissible for an appellate judge to give effect to a view that when a Minister of the Crown speaks directly on a matter for his judgment he means what he says and says what he means], it seems necessary for me to affirm that the appellate jurisdiction conferred on the Full Court of the Federal Court to hear and determine appeals from judgments of the Federal Court constituted by a single judge, or appeals from judgments of the Supreme Court of a Territory, is as set out in Petreski v Cargill (1987) 18 FCR 68, where the Full Court, (Sheppard, Kelly and Neaves JJ) said at 77:
"Appeals to this Court are not by way of rehearing, but are in the nature of appeals stricto sensu: see Duralla Pty Ltd v Plant (1984) 2 FCR 342 per Smithers J (at 349-353), Northrop J (at 360-365) and Beaumont J (at 366-367). A consideration of a number of authorities referred to by their Honours reveals the difference between the two classes of appeal."
31 Further, in Minister for Immigration v Hamsher (1992) 35 FCR 359, Beaumont and Lee JJ said, at 368/9:
"The material upon which his Honour made his findings consisted of documents, affidavits and uncontested oral testimony. This Court is as well placed as his Honour to draw inferences from that material. (See Warren v Coombes (1979) 142 CLR 531.)
Section 27 of the Federal Court of Australia Act 1976 (Cth) provides as follows:
"In an appeal, the Court shall have regard to the evidence given in the proceedings out of which the appeal arose, and has power to draw inferences of fact and, in its discretion, to receive further evidence, which evidence may be taken on affidavit, by oral examination before the Court or a Judge or otherwise in accordance with section 46."
However, the hearing of an appeal in this Court is neither a trial de novo nor a trial of the case afresh on the record (Duralla Pty Ltd v Plant (1984) 2 FCR 342) and the court is not obliged to proceed to make new findings of fact on all relevant issues and discharge the judgment appealed from if those findings differ from those of the trial judge and do not support the judgment. The court must be satisfied that the judgment of the trial judge is erroneous and it may be so satisfied if it reaches the conclusion that the trial judge failed to draw inferences that should have been drawn from the facts established by the evidence. The court is unlikely to be so satisfied if all that is shown is that the trial judge made a choice between competing inferences, being a choice the court may not have been inclined to make but not a choice the trial judge should not have made. Where the majority judgment in Warren v Coombes (supra) (at 552-553) states that an appellate court must not shrink from giving effect to its own conclusion, it is speaking of a conclusion that the decision of the trial judge is wrong and that it should be corrected. (See also Edwards v Noble (1971) 125 CLR 296, per Barwick CJ (at 304), per Menzies J (at 308-309) and per Walsh J (at 318-319)."
32 In this case, there was no finding of a causal link between the alleged breach of duty - the failure to provide supervisors in a ratio of one teacher to fifty pupils - and the suffering of damage by the respondent, which is an essential element of a successful claim for damages. Moreover, as Wilcox J demonstrates, the evidence indicates that the supervisor on duty was alerted to the disturbance, took steps in connection with it, and, on the findings of the learned primary judge, had no notice of the need for anything more and was not negligent. In the light of those findings it is quite impossible to infer the essential causal connection between any breach and damage.
33 That conclusion is sufficient to dispose of the appeal. I would go further and conclude that on the findings of the learned primary judge, there was no basis for holding the Authority liable to the respondent.
34 The elliptic language of the learned primary judge's finding of liability against the appellant Authority must be based on a view that the failure to adopt a 1:50 ratio of supervisors to pupils amounted to a failure to provide proper supervision. That is, his Honour seems to have accepted the ratio of 1:50 selected by the witness Dr Ewens, which ratio does not seem to have been supported by any generally accepted standard or based either on published information or real-life experience, although in his discussion of opinion evidence, his Honour said:
"…the evidence of Dr Ewens does not assist the Court to understand any of the issues in the case. Dr Ewens simply expresses a view on a subject on which he has had a great deal of experience. His view carries weight but cannot be conclusive as a matter of law. If it were entirely uncontradicted, it may be that the Court should act on it, but it is positively contradicted by the evidence of the second defendant and, although it is no longer the law that an expert is not permitted to offer an opinion on an issue which is ultimately for the decision of the Court, the expression of that opinion may be of little assistance to the Court on that ultimate issue."
35 That observation, and the later finding that "the evidence of Dr Ewens [is] of little assistance" are starkly inconsistent with the conclusion of liability against the Authority, which is based wholly and solely on Dr Ewens' opinion.
36 In the passage set out above, the learned primary judge referred to the view of the second defendant, Mr Livermore, that the level of supervision was adequate. Mr Livermore was not cross-examined about this opinion. Most importantly, however, the trial judge expressly found that he was not negligent:
"In my view it has not been shown that the arrangements made by Mr Livermore for supervision of the pupils at the time and at the place of the plaintiff's injury were unreasonable in any identifiable way."
37 This finding follows those his Honour made that:
"I reject the allegation …that the second defendant [Mr Livermore] was negligent in not rostering the staff in such a way that there was one teacher supervising for every fifty pupils in the playground during the lunch break. There is no evidence that it was open to the principal to assign to lunch break playground duty more than the number of teachers in fact assigned."
38 Nor, I interpolate, was there any evidence to suggest that it was not open to the principal to assign to lunch break playground duty more than the number of teachers in fact assigned.
39 Having regard to the basis on which the primary judge rejected the claim of negligence against the principal, there was, in my respectful submission, no basis for holding the Authority liable to the respondent.