Are You Left-Brained or Right-Brained, or Maybe Not?

In an elementary school class, my teacher decided we would find out which of us is “left brained” and “right brained,” so we sat completing a checklist. “I like art.” I do, so a check for right brain! “I like math.” I do, so check for left brain! I had the same sum for both, and I guess the only child in class unsure what group I belong in. So I asked my teacher about my brain. “Stop disrupting the educational process,” she said with a lamenting sigh. Actually, maybe she did not say that since, in retrospect, it’s odd phrasing to use with a little kid. I’d hear a version of that phrase repeatedly throughout high school whenever I raised a question teachers didn’t like, so there is likely interference in my memory. But, “memories are accurate recordings” is another myth for another activity!. Let’s consider the myth embedded in my elementary school class activity. Is it really true people have either a left brain or a right brain personality corresponding with their dominant brain hemisphere? The internet has a plethora of pages and beautiful images suggesting so.

Here's a section of information. It might include figures likes graphs or tables. Or even quotes. My template formatting is below.

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Here's a section of information. It might include figures likes graphs or tables. Or even quotes. My template formatting is below.

Here's another paragraph of the section maybe after a figure, table, or quote.

Uneasy Feelings about Your Results?
Please remember your results with any activity are not who you are. Your results are a 'snapshot' of a moment when you did an activity. It's just one measure, a single thread, of the many strands of who you are. Any result is a guess with statistical error. And it's possible the measure is flawed in a way so it doesn't work for you. Please do not think of your results as definitive dogma. Instead they're a starting point for our self reflection. Please keep in mind too, self-reflection can feel uncomfortable. "Bad" feelings are not actually bad. They're information. So, even if your activity result is inaccurate and flawed, you might ask yourself what your feeling is trying to tell you? Trusted teachers, friends, and therapists can be helpful. I wrote an essay elaborating with concrete examples how we can appreciate uneasy feelings about our activity results.

Scholarly Information?
You're welcome to use Copernican Revolution activities and essays for your thesis and studies. Having information about scholarly aspects like psychometric data, activity design details, and norm calculations may help. The primary focus of my essays is connecting educated laypersons with psychology. To help people like you, with advanced academic interests, I add an appendix with each activity.

Bem, S. L. (1973). The measurement of psychological androgyny. Journal of Consulting and Clinical Psychology, 42(2), 155–162.

Bettencourt, B. A., & Miller, N. (1996). Gender differences in aggression as a function of provocation: A meta-analysis. Psychological Bulletin, 119(3), 422–447.