science investigationbiodiversity net gaincieemhabitat surveyprotected species
Complete evaluation framework
What to assess and how to score it
Review the evidence signals before interviewing. Then use the anchored descriptions—not instinct alone—to choose the score that best matches each answer.
01
Evaluation factor
Method and rigour
35% weight
Check fluency in UKHab and Phase 1 habitat survey methods, bat emergence and transect protocols, eDNA sampling for great crested newts, and statutory survey season constraints.
Evidence to listen for
Follows and can justify an established methodology
Understands contamination, bias, and chain of custody as they apply to the field
Knows the limits of their techniques and says so
Documents procedure so results are reproducible and defensible
Five-point scoring guide
1
Poor
Careless method; unaware of contamination, bias, or procedural integrity.
2
Needs Improvement
Knows procedures but applies them inconsistently; gaps in documentation.
3
Satisfactory
Sound standard practice; less certain outside familiar techniques.
4
Very Good
Rigorous and well documented; understands the limits of each method.
5
Excellent
Names specific survey standards, defends seasonal timing and effort levels, and explains why a given method suits an urban mosaic site.
02
Evaluation factor
Real casework
25% weight
Probe actual sites worked: brownfield regeneration, green roofs, road verge schemes, park restoration. Ask for hectares surveyed, Biodiversity Net Gain units delivered, and Natural England licences held.
Evidence to listen for
Brings specific cases, sites, or projects rather than general description
States their own role and what they personally handled
Can describe an ambiguous or degraded case and how they proceeded
Knows what happened to the work afterwards
Five-point scoring guide
1
Poor
No hands-on casework; experience is entirely academic.
2
Needs Improvement
Limited exposure; cannot describe their own contribution clearly.
3
Satisfactory
Real casework with adequate detail; ownership sometimes vague.
4
Very Good
Specific cases with clear personal scope and outcomes.
5
Excellent
Cites named urban schemes with habitat types, unit uplift figures, and their personal role from baseline survey through post-construction monitoring.
03
Evaluation factor
Interpretation and judgement
25% weight
Test how they read ambiguous evidence: unconfirmed roost signs, degraded urban habitat condition scoring, invasive species pressure, and defensible judgements under the statutory BNG metric.
Evidence to listen for
Separates what the evidence shows from what they infer
States confidence levels and what would change their conclusion
Comfortable saying the result is inconclusive
Handles pressure to reach a preferred conclusion without bending
Five-point scoring guide
1
Poor
Overstates findings; no separation of evidence from inference.
2
Needs Improvement
Reaches conclusions the evidence does not support; uneasy with uncertainty.
3
Satisfactory
Reasonable judgement; qualifies findings when prompted.
4
Very Good
Clearly separates evidence from inference and states confidence unprompted.
5
Excellent
Walks through condition scoring disputes, states assumptions and confidence, and shows where precaution overrode a convenient client-friendly result.
04
Evaluation factor
Reporting and testimony
15% weight
Assess written output for planning committees and appeals: Preliminary Ecological Appraisals, Habitat Management and Monitoring Plans, and standing up to scrutiny from LPA ecologists or inspectors.
Evidence to listen for
Writes findings that a non-specialist can act on
Has presented or defended work to an external audience: court, client, review board, publication
Withstands challenge without overclaiming or retreating
Keeps records that hold up to scrutiny
Five-point scoring guide
1
Poor
Cannot communicate findings; records would not withstand review.
2
Needs Improvement
Reporting is unclear or incomplete; avoids external scrutiny.
3
Satisfactory
Adequate reports; limited experience defending work externally.
4
Very Good
Clear reporting and real experience presenting to an external audience.
5
Excellent
Produces CIEEM-compliant reports withstanding local authority challenge, and has explained ecological constraints clearly to planners, developers, and residents.
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