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Triangulation

Rather than producing multiple examples of the same evidence types to prove competence (i.e. three Observations covering the same PIs) it is far better to produce a variety of evidence using different instruments of assessment. This is much more efficient and can be accomplished by using both Performance Evidence and Supporting Evidence. For example using Observation [►Observation ] and Work Product [►Work Product ] (Performance Evidence) supported by Witness Testimony [►Witness Testimony ] (Supporting Evidence). These three types of evidence together are a good example of Triangulation.

Triangulation is also a good way of demonstrating competence over time where the different types of evidence are gathered over a certain period. Witness Testimony is particularly useful to support Performance Evidence over the relevant timeframe as it is not simply a snapshot in time of when the assessment event took place i.e. “This is the level of performance demonstrated consistently by X in his/her role on a regular basis”.

The following are examples of good Triangulation resulting in a balance of evidence, clearly and robustly demonstrating competence over time:

S220 Use Office Equipment

Performance Evidence

Supporting Evidence

Tracking

Not every piece of evidence from the portfolio has been included here, but the examples provided illustrate a good balance of evidence types and the Performance and Knowledge Tracking Sheets show the range of PIs and K&U that can be covered by good Triangulation.

S209 Handle Mail

Performance Evidence

Supporting Evidence

Tracking

Again, not every piece of evidence from the portfolio has been included, but a good balance of evidence types and the Performance and Knowledge Tracking Sheets and range of coverage is shown. Note that 6 of the 8 K&U are covered through Performance Evidence and Storyboard, therefore only two supplementary questions are needed to fill the gaps in Knowledge.