Methods Deep Dive

Research Design BasicsBetween- vs. within-subject designs, common response biases, and how variance behaves in AI twin data.

Statistical TestsThe most common tests for analysing an Elaiia raw data export — t-test, ANOVA, correlation, and chi-square.

Key Metricsp-values, Cohen's d, confidence intervals, and the two ways a statistical test can go wrong.

Segmentation & Specific DataTailor the sample precisely to your target group, and add your own data to improve twin fidelity for niche segments.