The Ashta ProjectASHTA
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How the measurement is constructed

Pre-registration, blinding, and analysis rules — written before any data arrive.

The structure is what earns the trust, not the language.

Pre-registration

Every hypothesis, exclusion rule, and statistical test is registered publicly (Open Science Framework) before the data-collection window opens — including the exact criteria for declaring a result supportive, inconclusive, or inconsistent with the hypothesis.

Blinding

Participants are blind to condition; administrators do not see running aggregates; analysts receive data stripped of condition labels until a pre-specified unblinding date.

What we measure with

Objective instruments, not just self-report: before-and-after voice-biomarker readings (physiological stress markers from a voice sample) and on-device response measures. No clinical or diagnostic claims — these are research measures of change, published openly. See the modalities →

Statistical standards

Results are reported with effect sizes, 95% confidence intervals, achieved power, and pre-registered correction for multiple comparisons. Pre-registration plus frozen analysis code structurally prevents fishing for a result.

Open data & code

At each milestone the de-identified dataset and the exact analysis code are released under an open licence. You do not have to trust us — you, or any ' 'statistician, can re-run the numbers.

Independent review — a "red team"

Protocols are reviewed by independent methodologists whose role is to find the flaws. Their reports are published. No reviewer is compensated on outcomes.