Monday, February 26, 2018

The 50 Most Influential Living Psychologists in the World

I guess I need to work harder.....jk 😀

The 50 Most Influential Living Psychologists in the World

The word "psychology" literally means the study of the soul (psukhē, in Greek). As such, it is an academic discipline that is unique in the…

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Preterm birth leaves its mark in the functional networks of the brain

Damage is in the most important brain network for higher cognition

Preterm birth leaves its mark in the functional networks of the brain

Researcher have demonstrated that premature birth has a significant and, at the same time, a very selective effect on the…

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Trump’s Perfect Score On Brain Test Spawns DIY Cognitive Exam



Trump's Perfect Score On Brain Test Spawns DIY Cognitive Exam

From The Brain, a Flipboard topic

When Donald Trump aced a cognitive test in January, scores of people tried to take it, too, based mostly on media reports that invited…

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Wednesday, February 21, 2018

Your ability to focus has probably peaked: Here’s how to stay sharp



Your ability to focus has probably peaked: Here's how to stay sharp

From Brain, a Flipboard magazine by Jordanna Manor

Having a hard time focusing lately? You're not alone. Research shows interruptions occur about every twelve minutes in the workplace…

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Kevin McGrew, PhD
Educational Psychologist
Director, Institute for Applied Psychometrics
IAP
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Tuesday, February 20, 2018

The Five Secrets of Brain Health


Dr. Lieff is an excellent thinker and writer worth following

The Five Secrets of Brain Health

The brain is a 3-pound organ in our body, which, like any other organ, can be healthy or unhealthy. Uniquely, the brain is intertwined with our mind, emotions,…

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Monday, February 19, 2018

Misinterpreting the Growth Mindset: Why We're Doing Students a Disservice



Misinterpreting the Growth Mindset: Why We're Doing Students a Disservice

Today's guest blog is written by John Hattie, Laureate Professor and Deputy Dean of the Melbourne Graduate School of…

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Does the rot start at the top? On a current Flynn effect study argument



Does the rot start at the top?

As readers of this blog will know, it is usually Woodley of Menie who darkens these pages with talk of genetic ruin, while James Flynn is the plucky New Zealander…

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Sunday, February 18, 2018

BrainFacts2



BrainFacts2

From Twitter, a Flipboard magazine by BrainFacts.org

Thinking, Sensing & Behaving Diseases & Disorders BrainFacts/SfN • 4 min BrainFacts/SfN • 5 min Brain Anatomy & Function BrainFacts/SfN BrainFacts/SfN Neuroscience in Society

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Monday, February 12, 2018

Sunday, February 11, 2018

Closing the achievement gap the intelligent way | THE Opinion

https://www.timeshighereducation.com/opinion/closing-the-achievement-gap-the-intelligent-way


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Kevin McGrew, PhD
Educational Psychologist
Director, Institute for Applied Psychometrics
IAP
www.themindhub.com
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Thursday, February 08, 2018

Video: Riding the (Brain) Wave


Riding the (Brain) Wave
https://www.youtube.com/watch?v=8CejGESrRkc

Related topics: Western Riding, Horseback Riding

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Sex differences in human brain structure are already apparent at one month of age



Sex differences in human brain structure are already apparent at one month of age

Figure via Dean III et al, 2018By Alex FraderaOn average, men and women differ psychologically in small but reliable…

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Wednesday, February 07, 2018

Important differences uncovered between US and Dutch psychopaths: Network analysis

This is a very cool methodology.  I have become convinced that tools from the field of network science need to be applied to intelligence test data.  When I can find the time (LOL) I hope to use this methodology on the WJ IV norm data.  I think it would be much more informative that CFA analysis of intelligence test data

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Important differences uncovered between US and Dutch psychopaths
// BPS Research Digest

Screenshot 2018-02-07 09.33.30.png
The researchers performed a "network analysis" on offenders' scores on a psychopathy questionnaire. From Verschuere et al 2018

By Emma Young

What lies at the dark heart of psychopathy? Is it a lack or emotion and empathy, a willingness to manipulate others – or, perhaps, a failure to take responsibility for misdeeds? All of these traits, and many more, are viewed as aspects of a psychopathic personality. But there's still a debate among experts about which of these are core, and which less important.

Now a new study of 7,450 criminal offenders in the US and the Netherlands, published in the Journal of Abnormal Psychology, has identified what the researchers believe are the psychopath's most "central" traits . But while there were striking similarities in the data from the two countries, there were also intriguing differences. This raises the question: does the meaning of the term "psychopath" vary between cultures?

Researchers from the Netherlands and the US, led by Bruno Verschuere at the University of Amsterdam, analysed the offenders' scores on the widely-used Psychopathy Checklist – Revised (PC-R). The PC-R comprises 20 questions about a range of traits related to four aspects of psychopathy: affective problems (a lack of empathy, fearlessness, and shallow emotional experience); interpersonal (being detached or a pathological liar, for example); lifestyle (being irresponsible and having poor behavioural control, for example); and being antisocial (showing early behavioural problems, and later criminal behaviour).

Between 20 to 22 per cent of the US offenders, and 28 per cent of the offenders in the Netherlands, were clinical psychopaths, based on their PC-R scores (as judged by trained research assistants in each country who drew on "extensive interview and collateral file information" for each offender). This difference between the countries was not a surprise, as the group from the Netherlands were all violent, mentally unwell offenders, whereas one US group consisted of general offenders from state prisons in Wisconsin, and the other comprised offenders in jail or on substance treatment programmes in five other US states.

The researchers performed a "network analysis" on the offenders' PC-R scores, mainly focused on centrality – so, among clinical psychopaths, identifying which item or items were most often present. But they also looked at relationships between items – so if pathological lying was present, for example, then identifying which other items were often, or rarely, present.

The results showed that "callousness/lack of empathy" was the most central item in both of the US samples. As the researchers note, "this aligns with classic clinical descriptions and prototypicality studies of psychopathy." But for the offenders from the Netherlands, while "callousness/lack of empathy" was fairly central, a "parasitic lifestyle" and "irresponsibility" were most central.

For the US samples, the items that appeared most peripheral to psychopathy were "many short-term marital relations", "lack of realistic long-term goals" (in the Wisconsin offenders only) and "revocation of conditional release" (this refers to failing to fulfil the terms of probation, for example).

For the offenders from the Netherlands, "Promiscuous sexual behaviour" and "many short-term marital relations" were also among the most peripheral items, but, surprisingly, so too was "shallow affect", an item that was actually the second most-central for the Wisconsin group.

In a bid to address the non-geographical differences between the US and Dutch groups, the researchers extracted a subsample from the Dutch group, excluding those with indications of current or past severe psychopathology, but the results still showed that a parasitic lifestyle and irresponsibility (not callousness, as in the US groups), were the most central items for psychopaths in the Netherlands.

The results raise the possibility, the researchers suggest, that there might be cross-cultural differences in how psychopathy manifests – or at least in how the PC-R is scored by trained raters in different counties. Further work should help to clarify this.

"Extending network analyses to different measures, samples and cultures should shed further light on the core characteristics of psychopathy," they write, "and perhaps ultimately on the unresolved question of what psychopathy is."

What features of psychopathy might be central? A network analysis of the Psychopathy Checklist-Revised (PCL-R) in three large samples

Emma Young (@EmmaELYoung) is Staff Writer at BPS Research Digest


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******************************************************
Kevin McGrew, PhD
Educational Psychologist
Director, Institute for Applied Psychometrics
IAP
******************************************************

Personnel Psychology - Volume 71, Issue 1 - Spring 2018



Personnel Psychology - Volume 71, Issue 1 - Spring 2018

From Twitter, a Flipboard magazine by Wiley Psychology

You have free access to this content Lisa M. Finkelstein, David P. Costanza and Gerald F. Goodwin Version of Record online: 20 MAR 2017 | DOI:…

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Friday, February 02, 2018

Knowledge Supports Memory Retrieval through Familiarity, Not Recollection

File under Gr as per revised CHC model - retrieval fluency

Knowledge Supports Memory Retrieval through Familiarity, Not Recollection

Highlights • Participants retrieved old and new known and unknown factual statements. • Retrieval was quicker for known than…

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Spatial cognition and science achievement: The contribution of intrinsic and extrinsic spatial skills from 7 to 11 years

File under Gv

Spatial cognition and science achievement: The contribution of intrinsic and extrinsic spatial skills from 7 to 11 years

Abstract Background Prior longitudinal and correlational research with adults…

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