Which best describes changes to the test for determining whether a worker is an employee or independent contractor as a result of the High Court decisions in Construction, Forestry, Maritime, Mining and Energy Union v. Personnel Contracting Pty Ltd and ZG Operations Australia Pty Ltd v. Jamsek a. There is no significant change. The High Court merely affirmed the multi-factor test in Hollis v Vabu which requires a consideration of the totality of the circumstances. b. While the High Court affirmed the multi-factor test in Hollis v Vabu, in principle, greater emphasis is now placed on considering the written terms of the contract. c. The High Court outlined a new test that involves inspecting the employment contract and identifying whether a worker is labelled as an employee or independent contractor. If the contract labels a worker as an employee, then that is what they will be categorised at law. Similarly if the contract labels the worker as an independent contractor then that is what the worker will be be categorised as at a law. d. The High Court reverted back to the previously used "control" test