I wrote a post a few months ago about some common misconceptions about functional magnetic resonance imaging (fMRI), and one of my main points was that the term ’lights up”, which is often used when describing the areas of the brain that respond to a task, is misleading. Here is what I said on the subject: …
Category Archive: Statistics for Social Science
Quick Tips for Becoming Poll-Literate
If you’re a political junkie like me, or just a casual election-follower, you’ve probably read a few polls that made your jaw drop. Here are some things a skeptical poll consumer should look for before letting their jaw fully drop. Selection Bias One of the first questions you should ask yourself when you read …
“…the difference between significant and not significant is not itself necessarily significant.”
The quote above comes from a perspective published in Nature Neuroscience this past summer by Nieuwenhuis and colleagues. They detail a surprisingly common mistake in the statistical analyses carried out by some studies published in prominent journals. It might be easier to first illustrate the mistake with an example. Let’s say I give a control …
I WANT MY FAME TV: VALUES ON TV FOR CHILDREN 1967-2007
It’s an age-old refrain — adults claim that kids today are completely different from when they were growing up, usually for the worse. And that claim often extends to the TV shows that kids are exposed to – more sex, less depth, endless shows about celebrities and reality TV show stars. But hasn’t Hollywood always …
How not to conduct research: Online ethics edition
Note: Everything in the following article and the provided links (at least at the time of posting) is work-safe, though some links may contain explicit language. However, please exercise caution in clicking other links found on the web pages referenced here! A quick Google search for recent Boston University grads Ogi Ogas and Sai Gaddam …
Research about teen texting from Society for Research on Child Development
This was first posted on Society for Research on Adolescence’s blog… here is link if you want to read more about news from conference from other bloggers as well. SRCD in Montreal, Day 1! One of the first symposiums I attended, bright and early this morning at 8AM, was about a topic that I am …
More school, better test scores?
The results of the recent PISA tests, an international assessment comparing countries around the world in reading, math and science, posted extraordinary scores for students in Shanghai, China. Meanwhile, 15 year olds in the US ranked 23 out of 34 countries! Why is the US falling so far behind other countries in Math and Science? …
Should we blame the media?
The NY Times using nearly all anecdotal evidence based on one child, says the media may be responsible for poor grades and lack of focus. Don Tapscott rebutes this argument and cites much research. This is such an interesting example of how even a respected newspaper like the NY Times can flame the fire. I …
What Can Effect Sizes Do for You? A Quick Tutorial for a Deeper Understanding of Psychological Research
I listen to a lot of podcasts in which various psychological articles are often discussed (e.g., stuff you should know, radiolab, etc.). As a psychologist, I am often frustrated when a podcast mentions a study’s finding (e.g., having a sister is associated with better self-esteem than having a brother) but then says something like this: …
Moniker mumbo jumbo
Social psychology research is known for its counterintuitive, surprising, sometimes even “cute” findings. One of the latest findings in this series is that your initials can affect how successful you are; for instance, students whose names start with C or D get worse grades than students whose names start with A or B. Authors Lief …





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