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If a comma belongs next to a coordinating conjunction, it should precede (see Should I use a comma before "and" or "or"?, https://owl.purdue.edu/owl/general_writing/punctuation/commas/extended_rules_for_commas.html).

However, many of published research articles I've viewed as a psychology student, and I believe the majority of my textbooks, frequently place the comma after a coordinating conjunction. It's extremely frustrating; it's difficult to read, because I pause in the wrong place. This affects my efficiency, and my comprehension.

Why is this so common? Many are recognized authors and doctorate level researchers, and this error along with their credentials leaves me baffled. I've found this error to be committed mostly by researchers, not by authors of other materials (history, philosophy, theology, etc.)

To quote my first link, which contains these:

• I hit my brother with a stick, and he cried.


• The rain stopped, and the sun came out again.

The books and articles I read would have written them as:

• I hit my brother with a stick and, he cried.


• The rain stopped and, the sun came out again.

I was asked to provide example sources where this has been an issue.

Specific examples from the Criminal Behavior textbook (mentioned below):

One of the most notorious examples of a crime that wasn't is the case of O.J. Simpson and the 1994 murder of his wife Nicole Brown Simpson and her friend Ronald Goldman. O.J. Simpson was charged and tried for the crime and, after a year-long highly publicized (and televised) trial, received a verdict of "not guilty." (p. 14)

Individuals who do not feel discomfort do not respond appropriately to punishment or threats of punishment and, as a result, are not effectively deterred from engaging in antisocial behavior. (p. 76)

Psychotic offenders are out of touch with reality and, although most are
not violent, may commit crime when they fail to take their medication. (p. 104)

Psychopaths are unable to shift attention from carrying out a behavior to evaluating behavior and, once fixated on a goal, are unable to stop or change their behavior in response to nonsalient stimuli (e.g., recognition of long-term consequences). (p. 131)

Even in prison, sex offenders are the lowest on the offender hierarchy and, as a result, are victimized and aggressively targeted by other offenders (Sabo, Kupers, & London, 200 1; see Box 6.1).

Sex offending occurs when vulnerable individuals experience stress, proximate risk factors (such as mental illness, substance use, exposure to pornography) and, from a routine activities perspective, are in close proximity to an available victim in the absence of guardians and social controls. (p. 234-235)

In Babiak and Hare's (2006) Snakes in Suits: When Psychopaths Go to Work (as cited in Criminal Behavior: Theories, Typologies and Criminal Justice 1st Edition)

They abuse coworkers and, by lowering morale and stirring up conflict, the
company itself. Some may even steal and defraud. (Babiak & Hare, 2006, p. xiv)

Here are three books, which I no longer own, but I'm pretty sure they were great examples of this problem:

Criminal Behavior: Theories, Typologies and Criminal Justice 1st Edition

Cognitive Psychology 1st Edition -- by J. April Park, W. Trey Hill

Development Across the Life Span (8th Edition)

An example article:
doi:10.1037/ppm0000128