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Questions tagged [communication]

Related to communication or explanation of statistical data, analyses, or concepts

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326
votes
11answers
143k views

Explaining to laypeople why bootstrapping works

I recently used bootstrapping to estimate confidence intervals for a project. Someone who doesn't know much about statistics recently asked me to explain why bootstrapping works, i.e., why is it that ...
10
votes
4answers
2k views

How does one explain what an unbiased estimator is to a layperson?

Suppose $\hat{\theta}$ is an unbiased estimator for $\theta$. Then of course, $\mathbb{E}[\hat{\theta} \mid \theta] = \theta$. How does one explain this to a layperson? In the past, what I have said ...
40
votes
3answers
30k views

How to present results of a Lasso using glmnet?

I would like to find predictors for a continuous dependent variable out of a set of 30 independent variables. I am using Lasso regression as implemented in the glmnet package in R. Here is some dummy ...
17
votes
4answers
10k views

How to best visualize differences in many proportions across three groups?

I'm trying to visually compare how three different news publications cover different topics (determined through an LDA topic model). I have two related methods for doing so, but have received lots of ...
12
votes
3answers
486 views

How best to communicate uncertainty?

A massive problem in communicating the results of statistical calculations to the media and to the public is how we communicate uncertainty. Certainly most mass media seems to like a hard and fast ...
36
votes
10answers
7k views

What is your favorite layman's explanation for a difficult statistical concept?

I really enjoy hearing simple explanations to complex problems. What is your favorite analogy or anecdote that explains a difficult statistical concept? My favorite is Murray's explanation of ...
15
votes
3answers
22k views

How would you explain generalized linear models to people with no statistical background?

I always have a hard time explaining statistical techniques to audience with no statistical background. If I wanted to explain what GLM is to such audience (without throwing out statistical jargon), ...
10
votes
3answers
17k views

Number of significant digits to report

Is there a more scientific way of determining the number of significant digits to report for a mean or a confidence interval in a situation which is fairly standard - e.g. first year class at college. ...
21
votes
2answers
22k views

How to describe or visualize a multiple linear regression model

I'm trying to fit a multiple linear regression model to my data with couple of input parameters, say 3. \begin{align} F(x) &= Ax_1 + Bx_2 + Cx_3 + d \tag{i} \\ &\text{or} \\ F(x) &= (A\...
13
votes
5answers
371 views

Cognitive processing/interpretation of data visualizations techniques

Does anyone know of research which investigates the effectiveness (understandability?) of different visualization techniques? For example, how quickly do people understand one form of visualization ...
11
votes
7answers
19k views

How would you explain statistical significance to people with no statistical background?

Background: I had to perform a data analysis for a client (some kind of lawyer) who was an absolute beginner in statistics. He asked me what the term "statistical significance" means and I really ...
6
votes
2answers
447 views

Risk assesment and non-statistician's perception of percentages

I'm planning on doing quantile regression for estimating pain relief after hip surgery. My aim is to construct for my patients information in this format: 4 out of 5 patients experience with your ...
3
votes
5answers
392 views

What is a good tool and format for representing and communicating the design content of a survey?

Are there any decent tools for writing/designing questionnaires before providing to programmers? Currently Microsoft Word is being used and tracking changes and keeping it standardized has become a ...