It is time for another joint blog post by Beth Morling and Jess Hartnett! It’s about a recently-published article that allows you to think about everything from the ethical use of AI to factorial ANOVA. The study investigated how people respond emotionally to online comments. Photo: fizkes/Shutterstock Part I: Student Learning Activity When we scroll …
Category: Chapter 12; Experiments with More Than One Independent Variable
Is your dog judging you?
Prostock-studio/Shutterstock Dog research has gotten much more popular in the last 10 years, as researchers study what cognitive and social abilities dogs have. Here's a study that tested whether dogs could tell the difference between a competent and an incompetent human. Here's how the study was summarized by by a dog blogger. So, the gist …
Coping with something? Try holding hands with a person you love
The studies had couples hold hands (or not) during stressful events. Photo: fizkes/Shutterstock This post helps illustrate how researchers can start with a simple experiment and then move to a factorial design (both designs here are IVxPV designs). In this story covered by KHOU, (originally in the Washington Post) we learn that when people hold …
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It matters how professors talk to students….
Students imagined asking a question in class, and getting one of three responses from the professor. Photo credit: Ground Picture/Shutterstock This example gives you practice extending a simple experiment (Chapter 10) into a factorial design (Chapter 12). Think back to the last time you asked a question in your research methods class--or any other class. …
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The Gender Shades project
The design was a 2x2 factorial. What were the IVs? Photo credit: Djomas/Shutterstock Researcher Joy Buolamwini of MIT has conducted a fascinating study of how accurately image-processing algorithms detect and classify the faces of people from different racial and gender backgrounds. She coined the term "the coded gaze" for a bias she found in these …
Culture and the “marshmallow test”
Cultural practices around both snacks and gift-giving were proposed as one of the mechanisms behind this study's results. Photo credit: Prostock-studio/Shutterstock In a recent study, researcher Yuko Munakata tested the self-regulation and self-control abilities of children in two cultures: The U.S. and Japan. She published the research in the empirical journal Psychological Science, but also …
In U.S. football, Whiter-looking men more likely to be head coaches
Football coaching seems to have a stereotype problemPhoto credit: dotshock/Shutterstock Here's a story from the website Psypost. The headline reads, "Study of U.S. football coaches finds the more White you look, the more likely you are to be head coach". This report is a study based on a well-known disparity in U.S. football (both college …
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Time alone with your thoughts?
Credit: Ground Picture/Shutterstock Imagine sitting alone with your thoughts for 20 minutes. You wouldn't be allowed to distract yourself with a book, phone, or even walking around. How much do you think you would you enjoy it? When this question was asked of participants in a series of studies, most reported that they'd not enjoy …
Diet + Exercise: A factorial example
The study found that both exercise and diet are important. Is the effect additive or interactive? Photo credit:Dragana Gordic/Shutterstock You might have heard someone claim that because they exercise regularly, they can eat whatever they want and still be healthy. When people say this, they seem to mean that either exercise OR diet can be …
That baby smell…
The study found an interaction effect: Gender of participant interacted with the smell condition they were in. Credit: HayDmitriy/Deposit Photos If you’ve ever smelled a baby’s head (I know....it can be irresistible!), you probably inhaled a variety of chemicals, including one called HEX. A group of researchers recently published a study in which they exposed …