Identify methods to spot and diagnose channels or campaigns destroying value.
Negative ROI detection flags channels where incremental profit minus spend drops below ______.
margin
CPC
zero
CTR
Plotting marginal ROI curve helps detect negative ROI zones when slope turns ______.
positive
infinite
flat
negative
Bayesian posterior ROI <0 with 95% credible interval entirely below zero indicates ______ certainty of loss.
medium
low
high
zero
Before cutting spend, analysts should verify negative ROI isn't caused by mis‑attributed ______.
cookie sync
pixel fire
baseline shift
font
Channels with high fixed fees can show negative ROI at low spend; increasing spend may cross break‑even due to ______.
cookie inflation
bounce
economies of scale
negative CTR
Negative ROI detection requires costs and revenue on the same ______ basis (gross vs net).
device
cookie
accounting
viewport
Time series outlier removal should occur before ROI analysis to avoid false ______ ROI spikes.
negative
positive
neutral
cookie
If negative ROI persists, consider reallocating to channels with positive ROI and high available ______.
dopamine
font
scalable headroom
bounce
ROI below zero but CLV‑weighted ROI positive could indicate channel is profitable for ______ customers.
one‑time
bot
high‑value
low‑value
Starter
Review the basics.
Solid
Nice work—refine the details.
Expert!
Exceptional command of the topic.
Negative ROI Channel Detection Interview Questions will test your skill at spotting which marketing channels are draining your budget and how to safeguard your campaign’s efficiency. Start your prep with these marketing mix modelling interview questions to see how attribution methods impact ROI analysis. Then level up with the holistic budget setting interview MCQs to practice balancing spend across channels. Don’t miss the cross-channel synergies practice questions for insights on integrated tactics, and cap it off by exploring the contribution vs attribution debate interview resources to deepen your understanding.