Scientists now confirm it official, personality really does count!
on 22 May 2015
personality counts

Has anyone ever said to you, "you are so predictable"? Well, that's simply because it is true! But you are not alone as it seems that our personality really does make us predictable. Perhaps even reliable too!

The trick is to know which personality type you are!

Why do people behave the way they do? Why do people feel the way they do? These two questions are fundamental to personality and social psychology. Most social scientists would agree that an individual's personality and the situations they encounter have important effects on their behaviour and that the two are not mutually exclusive. Although laboratory experiments have historically demonstrated that situations can impact behaviour, the impact of situations on "real-world" behaviour has rarely been investigated. With recent advances in technology, psychologists today are now able to capture daily life as it is lived.

In a new study published in the current issue of the Journal of Personality and Social Psychology, researchers in the Charles E. Schmidt College of Science at Florida Atlantic University and Humboldt-Universität zu Berlin in Germany measured the effects of situations on human behaviour in real-time and outside of a laboratory setting in one of the largest studies to employ experience sampling methods.

The authors of the paper titled, "The Independent Effects of Personality and Situation on Real-Time Expressions of Behaviour and Emotion," designed their study to examine the degree to which personality and situations impact behaviour with the goal of seeing how personality, situations, and behaviour are related in real-world contexts. The researchers were able to show that personality predicted behaviour across a lot of different situations over time, confirming that personality really does matter.
"For decades, social scientists have theorized that human behaviour is a function of the things inside of us -- our personality -- and the things outside of us -- situations. Until now, looking at both factors simultaneously has been hard to do outside the laboratory in a real-world setting," said Ryne Sherman, PhD, assistant professor of psychology in FAU's Charles E. Schmidt College of Science.

Sherman and his collaborators gathered data from 208 FAU undergraduate students. In the first phase of the study, the researchers assessed the personalities of the participants using the HEXACO-60, a measure of the six broadest dimensions of personality: honesty-humility; emotionality; extraversion; agreeableness; conscientiousness, and openness to experience.

"One would assume that if a person is honest and humble, then his or her usual response to a situation would be behaviour that is honest and humble," said Sherman. "And in the same way, if a person is extraverted then we would expect his or her behaviour to be outgoing and sociable in situations."

For seven consecutive days, the participants received eight text messages daily to gauge their responses and reactions to various situations "at the moment" and not after the fact. The researchers asked the participants to rate the situation they were in using the recently uncovered DIAMONDS dimensions of situations. These include Duty ("work has to be done"), Deception ("someone is being deceived"), and Sociality ("social interaction possible"), allowing the researchers to understand the kinds of situations participants experienced. Participants also were asked to report how they were feeling (happy vs. sad) and behaving (outgoing vs. reserved). In total, participants completed 9,753 responses.

Results from this study provide direct empirical support for the notion that real-world human behaviour is a function of both the person and the situation. Most importantly, both personality and situation characteristics independently predicted real-time expressions of behaviour and emotion as there were very few interactions between personality and situations found.

"We were quite surprised that so few 'person x situation' interactions emerged as many theories in psychology suggest that such interactions are the most important determinant of behaviour," said Sherman. "The key finding in our study is that our personalities and the situations we encounter predict our behaviour independently and simultaneously at any given moment."

Story Source:
The above story is based on materials provided by Florida Atlantic University. Note: Materials may be edited for content and length.
Journal Reference:
1. Ryne A. Sherman, John F. Rauthmann, Nicolas A. Brown, David G. Serfass, Ashley Bell Jones. The Independent Effects of Personality and Situations on Real-Time Expressions of Behaviour and Emotion. Journal of Personality and Social Psychology, 2015; DOI: 10.1037/pspp0000036

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