Koalas in the Wild

Gerda and Rommil answer your CRO questions

A podcast series on Experiment Nation where Gerda and Rommil answer the CRO community's most burning and anonymous questions.

Gerda Thomas May 15, 2026

How to Remove Emotion from Data Analysis

Gerda joined Shiva to chat about where does it make sense to channel emotion? In getting EXCITEMENT about testing, and ideas! But maybe we park it when actually analyzing tests, because that can lead to bad analysis.

Gerda Thomas January 14, 2026

How to Run Accurate A/B Tests | Targeting, Bucketing, Dynamic Triggers

A short video for Convert.com about how strategically combining targeting and triggering in your A/B tests produces reliable results by focusing tests on the right audience at the right time.

Ryan Thomas November 28, 2024

Experiment to Optimize: Balancing Risk and Growth

Another guest appearance in the No Hacks podcast, hosted by Slobodan Manic. Deep dive into using experimentation to optimize both business and life.

Gerda Thomas November 6, 2024

Ditch the training wheels - test your own ideas

Experiment Nation Conference talk about an approachable and unintimidating process that you can use right way to develop test ideas for your specific business, website, and customers.

Ryan Thomas October 29, 2024

Your landing page should be the conclusion of your ad story

Experiment Nation Conference talk about how companies waste huge amounts of money on ad campaigns while forgetting about their landing pages.

Gerda Thomas October 29, 2024

Wireframing for CROs

In this session, Gerda will address a common challenge in Conversion Rate Optimization (CRO): how to effectively move from identifying website issues to creating and visually communicating actionable solutions. While spotting problems on a website may come easily, the process of developing solutions and presenting them in a clear and compelling way is often more elusive, especially for those new to the field.

Gerda Thomas October 24, 2024

Minimum Detectable Effect (MDE): What It Is and How to Choose It

A guest post for the Convert.com blog explaining everything you need to know about MDEs in AB testing.

Ryan Thomas October 14, 2024

What’s Best for A/B Testing? Experts Debate Frequentist vs. Bayesian Methods

Ryan Thomas September 20, 2024

How to Break into CRO - From A to B Podcast

Juliana and Shiva discuss Ryan's spicy LinkedIn post about the importance of running experiments that actually win.

Ryan Thomas September 8, 2024

How to build a community around experimentation with Rommil Santiago

Gerda interviews the creator of Experiment Nation - Rommil Santiago about how he built one of the most successful online communities in the CRO & Experimentation space.

Gerda Thomas July 10, 2024

What Can CROs Do About Politics?

Gerda joined Shiva to discuss a number of things related to politics in CRO and experimentation. A number of politic-related things are discussed, including in-house vs. agency-side politicking, and even removing "emotion" from the decision-making process to help get more buy in / reduce your own personal stress in CRO.

Gerda Thomas July 3, 2024

Landing Page Optimization Process for High Conversion Rates

Guest post on the CXL Blog on how to optimize landing pages properly.

Gerda Thomas June 13, 2024

Simplifying CRO with Visual Journey Maps & Data Dictionaries

Designing a winning experimentation strategy means you need to develop a deep understanding of the problems on your website. This can often take weeks and months. Gerda will share two practical tools that speed up this process and set you up for success.

Gerda Thomas June 6, 2024

Simplifying CRO

Guest appearance in the No Hacks podcast, hosted by Slobodan Manic. Among other things we get into the significance of data dictionaries for marketing teams, detailing how they simplify tracking and analyzing key metrics.

Gerda Thomas May 15, 2024

The truth about app optimization with Juliana Jackson

Gerda interviews Juliana Jackson about the differences in optimizing websites and apps.

Gerda Thomas April 11, 2024

Testing Mind Map Series: How to Think Like a CRO Pro with Gerda

An interview with Gerda and how “CRO = common sense + context”

Gerda Thomas April 1, 2024

How to Think Like a CRO Pro

An interview with Ryan about when to throw out the rulebook on AB testing.

Ryan Thomas April 1, 2024

How to Understand the Switch to Google Analytics 4

A clip from a panel discussion on GA4 where Ryan compares it to driving a Porsche but needing a mechanic with you in the passenger seat.

Ryan Thomas December 6, 2023

Statistical sanity: a "good enough" approach to AB test stats

2023 Experment Nation Conference talk about finding a statistical approach for AB testing that isn't too strict or too lenient for the business context.

Ryan Thomas September 18, 2023

Analyzing Experiment Data in GA4: The Good, The Bad, and The Practical

Panel discussion by Convert.com about using GA4 for experimentation featuring Ryan Thomas, Deborah O'Malley, Dana DiTomaso, Ellie Hughes, and Neal Cole.

Ryan Thomas August 28, 2023

How to Measure the Impact of CRO Practices

Guest post for Mason about how to measure the impact at the test level, program level, and the impact on the business.

Ryan Thomas June 8, 2022

How to get CRO tests right

Ryan Thomas May 19, 2022

The Art of Conversion Optimization

Ryan was interviewed by Brad Wages (pictured) on his Copy and Conversion podcast about how he approaches CRO, which tools to use, resources for learning about it, and more.

Ryan Thomas November 1, 2020

Optimizing for Email Signups - CXL Live 2019

Ryan's talk at CXL Live 2019 in Austin, TX about optimizing for email signups and how this can support optimizing for revenue.

Ryan Thomas April 13, 2020