An Emotion-Enhanced Forest Plot
Sometimes, of course, we can be delighted to find evidence that an effect is zero-to-negligible. …as if good Open Science researchers would ever let their emotions intrude on their work.Geoff
3 Easy Ways to Obtain Cohen’s d and its CI
[Update 7/4/2020 – Added reference to preprint on Cohen’s d for paired designs and put code in an actual code block] Lots of research questions boil down to estimating the difference between two means (Mdiff = Mgroup_of_interest – Mreference_group). This …
Bob’s Latest Estimation Workshop a Hit
Bob has tweeted, but it’s worth a quick post. His 90 min new-statistics zoomfest was part of SIPS2020. More than 100 folks, almost all staying to the end. Excited and positive chat all the way through. Yes, a 5am start …
Will that result replicate? Contribute some judgments to Fiona’s repliCATS project
Just had an update about Fiona’s big project to study how well researchers can judge the chance that some result can be replicated. She and the team are doing well, but need a last push during July to meet their …
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eNeuro Keeps Up the Good Work on Estimation
Update: The great figures below were produced using the wonderful Estimation Statistics package. See also Ho, et al. (2019). Back in August Bob posted (here) about eNeuro‘s great initiative to encourage authors to use estimation. The latest eNeuro email update …
Resources from SFN’s “Ask an Expert” event on power and estimation
On 6/4/2020 the Society for Neuroscience (SFN) hosted an an “Ask and Expert” online webinar on power and estimation. Short presentations on the topic were first posted here as a catalyst to generate questions and comments to discuss during a …
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The esci module for jamovi
Below is the post we wrote for the jamovi blog about the new esci module. For this site, the main page with details on the modules is here: https://thenewstatistics.com/itns/esci/jesci/ ——– Post for the jamovi blog————— Today there’s a new module …
JAMA Opposes p<.05 Decision Making
A recent viewpoint article (free download) in JAMA argues that decisions should not be based on mere p value criteria, but need “consideration of the outcome in terms of effect size and accompanying CIs, [and] placing the findings from the …
Mega Studies Need Inference by Interval (or: Point Nulls are Especially Pointless when N is Large)
I (Bob) love large-scale collaborative projects (Many Labs, Many Babies, Psych Science Accelerator, etc.). I like the teamwork involved. I like the careful deliberation over study materials. I like the large sample sizes and the hopes of investigating how psychological …
A Cliff at p=.05? Recent Evidence Suggests Yes
In brief: Two studies provide yet more evidence that researchers make poorer interpretations when they focus on statistical significance testing and its .05 threshold. Statisticians make similar errors, although in some situations to a lesser extent than do other researchers. …