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Elements and Performance Criteria

1. Research diagnostic testing principles and processes
   • Research peer-reviewed documentation and relevant case studies
   • Develop competency in correct and functional operation of diagnostic testing equipment
   • Interpret underpinning scientific principles of test processes
   • Determine diagnostic assumptions and limitations of testing process for selected diagnostic tool
2. Analyse requirements and calibrate processes
   • Analyse quantification, variance and tolerance requirements for selected diagnostic tool
   • Research calibration baselines and seek verification where required
   • Verify appropriate calibration processes have been performed
3. Determine project parameters and execute a diagnostic test project
   • Select one or more appropriate testing processes for each of the primary domains: tree anatomy, physiology, pathology, tree dynamics and the edaphic environment
   • Contextualise testing for each domain with appropriate selection of diagnostic tools
   • Define scientific research method using a basis of hypothesis testing, measurement of functional relationships, and observational research as required
   • Investigate scientific literature resources referenced by current science of each primary domain
   • Describe efficacy of test in terms of primary domain
   • Conceive and execute a diagnostic test project
4. Interpret testing results
   • Express testing results in performance metrics for each of the selected diagnostic tools
   • Interpret results against normal and anticipated ranges
   • Confirm predictive responses in terms of pre treatment results to projected post treatment outcomes
   • Articulate meaning of results within context of primary domain
5. Provide prognosis and document management plans
   • Provide an informed prognosis
   • Research management options and lag time
   • Formulate a report that documents management plans

Range Statement

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Performance Evidence

The candidate must be assessed on their ability to integrate and apply the performance requirements of this unit in a workplace setting. Performance must be demonstrated consistently over time and in a suitable range of contexts.

It is an industry requirement that competency in this unit requires the analysis of five different diagnostic test results.

The candidate must provide evidence for and demonstrate:

researching peer reviewed documentation and relevant case studies

developing competency in correct, functional operation of diagnostic testing equipment

interpreting the underpinning scientific principles of test processes

describing the physical and other limits of the testing process

determining the diagnostic assumptions and limitations of the testing process for the selected diagnostic tool

analysing quantification, variance and tolerance requirements

researching calibration baselines and seek verification where required

verifying appropriate calibration processes have been performed

selecting one or more appropriate testing processes for each of the primary domains of tree anatomy, physiology, pathology, tree dynamics and the edaphic environment

contextualising testing for each domain with appropriate selection of diagnostic tools

defining scientific research method using a basis of hypothesis testing, the measurement of functional relationships, and observational research.

investigating and determine scientific literature resources referenced by the science of each primary domain

describing the efficacy of the test in terms of the primary domain

conceiving and executing a diagnostic test project

expressing results in performance metrics of selected diagnostic tools

interpreting results against normal and anticipated ranges

confirming predictive responses in terms of post treatment to pre treatment results

articulating meaning of results within context of primary domain

providing an informed prognosis

researching management options and lag time

documenting management plans into report

monitoring management plans and modify or refine as needed

use of industry standard terminology to describe arboricultural diagnostic testing processes.

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Knowledge Evidence

The candidate must demonstrate knowledge of:

peer reviewed documentation and case studies

correct, functional operation of diagnostic testing equipment

underpinning scientific principles behind the test processes

physical and other limits of the testing process

diagnostic assumptions and limitations of tools

quantification

baselines

calibration processes

tree anatomy

tree physiology

tree dynamics

the edaphic environment of trees

research methods

hypothesis testing

measurement of functional relationships

verifying efficacy of a test

performance metrics

normal anticipated ranges of test result

scientific research methods

scientific literature

diagnostic test projects and processes

the contextual meaning of tests results

prognostics

management of diagnostic outcomes

management plans

monitoring management plans.

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