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The evidence guide describes the underpinning knowledge and skills that must be demonstrated to prove competence. It is essential for assessment and must be read in conjunction with the performance criteria, the range statement and the assessment guidelines of the relevant Training Package. |
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Overview of assessment |
A person who demonstrates competency in this unit of competency must be able to identify, describe and apply skin science to the performance of trichological treatments. Knowledge of the appearance and management of skin disorders must also be demonstrated, as must knowledge and understanding of the principles of skin science and skin disorders as they relate to trichological treatments. |
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Specific evidence requirements |
Critical aspects for assessment and evidence required to demonstrate competency in this unit | knowledge and consistent application of relevant workplace policies and procedures |
knowledge and consistent application of federal, state and local health and hygiene legislation and regulations, and skin penetration legislation |
knowledge and consistent application of safe work practices and the safe use of products and equipment, including the use of protective measures, according to manufacturer safety manuals and occupational health and safety legislation and regulations |
| knowledge and consistent application of the principles of skin science and skin disorders as they apply to trichological treatments, including: main functions and role of the skin and hair growth, development, ageing and healing of human skin inheritance of physical traits function, formation and behaviour of the major skin chemicals role of endocrine glands and hormones in the body skin disorders provision of after-care service and advice |
| knowledge and skill in the application of a variety of trichological treatments, using a variety of techniques/procedures involving scalp and hair care |
| accurately and legibly recording relevant data. |
Context of assessment | For valid and reliable assessment of this unit, competency should be consistently demonstrated over a period of time and observed by the assessor and/or the technical expert working in partnership with the assessor. The technical expert may include the beauty therapist and/or a skin science specialist and may be in a simulated environment. Competency should be demonstrated in a simulated workplace environment in a range of situations that may include client interruptions and involvement in other related activities normally expected in the workplace. For further guidance on the use of an appropriate simulated environment, refer to the Assessment Guidelines in this Training Package. |
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Specific resources for assessment | Competency for this unit should be assessed through access to: relevant documentation, such as: workplace policy and procedures manuals occupational health and safety legislation and regulations a range of clients with different requirements a range of equipment and products appropriate to the trichology workplace product labels and other sources of product information a qualified workplace assessor or assessment team. |
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Relationship to other units | This unit is a co-requisite for a range of trichology units. It requires an assessment outcome that includes evidence of the application of knowledge of skin science to the performance of one or more trichological treatments. : none. Co-requisite unit: WRHHS404A Perform trichological assessments. |
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Method of assessment | The following assessment methods are suggested. Observation of the learner performing a range of tasks in a simulated work environment, over sufficient time to demonstrate his/her handling of a range of contingencies. Tasks may include: identifying the principles of skin science and disorders, and developing and maintaining safe work practices relating the performance of a variety of treatment processes to the principles of skin science and disorders, according to client and safety requirements. Written and/or oral questioning to assess knowledge and understanding of beauty therapy treatments using electrical equipment, including after-care advice and relevant legislation. Completing workplace documentation relevant to trichological treatments. Third-party reports from experienced trichologists in the workplace. Completion of self-paced learning materials, including personal reflection and feedback from the trainer, coach or supervisor. |
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Evidence required for demonstration of consistent performance | For valid and reliable assessment of this unit, evidence should be gathered through a range of methods to indicate consistent performance. It can be gathered from assessment of the unit of competency alone, through an integrated assessment activity or through a combination of both. Evidence should be gathered as part of the learning process. |
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Assessing employability skills | Employability skills are integral to effective performance in the workplace and are broadly consistent across industry sectors. How these skills are applied varies between occupations and qualifications due to the different work functions and contexts. Employability skills embedded in this unit should be assessed holistically in the context of the job role and with other relevant units that make up the skill set or qualification. |