Methodology
CAWI vs CATI vs Face-to-Face: Choosing a Method in MENA
Online, phone, and in-person data collection perform very differently across MENA markets. A comparison of cost, speed, and reach by method - and when each one is the right call.
CAWICATImethodology
Tayqun Team
9m 69
Methodology
Survey Length and Drop-Off: Where Respondents Quit
Completion data from 890,000 survey starts: drop-off is not linear. It spikes at the first question, stays flat to 8 minutes, then compounds ~2.3% per additional minute.
survey lengthcompletion ratedrop-off
Tayqun Team
7m 293
Methodology
Detecting Straight-Lining: A Threshold Study
We tested straight-line detection thresholds from 0.70 to 0.95 across 320 Likert-heavy studies against a human reviewer panel. 0.85 wins - here is the full trade-off curve.
methodologystraight-liningthresholds
Tayqun Team
8m 548
Methodology
Mobile vs Desktop: Does Device Change Response Quality?
210,000 responses compared: mobile answers are faster and shorter, but once quality-scored, statistically indistinguishable from desktop. Do not down-weight mobile.
methodologymobiledevices
Tayqun Team
6m 534