The principle behind personality questionnaires is that it is possible to quantify your intrinsic personality characteristics by asking you about your feelings, thoughts and behavior. You will be presented with statements describing various ways of feeling or acting and asked to answer each one on a 2 point, 5 point or 7 point scale. For example;
1. I enjoy public speaking?
|A) True||B) False|
2. I have clear personal goals?
|A) strongly disagree||B) disagree||C) neutral||D) agree||E) strongly agree|
3. I am good at dealing with difficult people?
|A) very strongly disagree||B) strongly disagrees||C) disagree||D) neutral||E) agree|
|F)strongly agree||G) very strongly agree|
The number of questions you are expected to answer varies from about 50 to 200, depending on the duration of the test. At first glance, these tests may seem to be both simplistic in their approach and unrealistic in their aims. After all, how can something as complex as your personality be measured and quantified in so little time and with so few questions. In addition, it is easy to see that some of the questions are imprecise and could be answered honestly in different ways depending on your particular interpretation of them on the day.
For example, take question 3 above 'I am good at dealing with
difficult people? Your answer to this question depends on your
interpretation of two things. Firstly 'good', does this mean good
compared to other people in your office, good compared to the
general public or good compared to some other group? Secondly
'difficult people', does this mean people who are abusive and
violent, people who are withdrawn, people who are selfish or what?
The important point to remember is that even the best of the personality questionnaires used in selection are far from perfect. They are seriously constrained because the number of questions is limited by the time available - the personality questionnaire is usually only one of a battery of aptitude tests, interviews and possibly assessment centre exercises that make up the selection process. However, even if we accept that these tests do have some shortcomings, we still need to know what they are trying to measure and why.
What are Personality Types and Traits?
Psychologists define personality as:
“The particular pattern of behavior and thinking that prevails across time and contexts, and differentiates one person from another.”
The goal of psychologists is to understand the causes of
individual differences in behavior. In order to do this one must
firstly identify personality characteristics (often called
personality traits), and then determine the variables that produce
and control them.
A personality trait is assumed to be some enduring characteristic that is relatively constant as opposed to the present temperament of that person which is not necessarily a stable characteristic. Consequently, trait theories are specifically focused on explaining the more permanent personality characteristics that differentiate one individual from another. For example, things like being; dependable, trustworthy, friendly, cheerful, etc.
One of the first trait theories was developed in ancient Greece by the physician Galen who suggested that our personality was a reflection of the four humors (fluids) that were important in the human body.
If one of these humors dominated the others then the
personality type associated with that humor would be observed. The
kind of strict categorization suggested by theories like Galen’s
suggests that there very different types of personalities.
More recently, personality theories have leaned more towards the idea that we all have similar personality traits or characteristics, but the extent to which we possess that trait differs. For example, we often classify people as tall or short, but we don’t really think that people must be either one or the other. We understand that height is a trait the some of us have more of than others, but we all have it to some extent. If we accept the existence of common personality traits that we all have to varying extents, then the next stage is to agree on how to define them.
Psychologists have used a technique known as factor analysis to identify groups of items, which are strongly inter-correlated (these groups of items are known as factors), and believe that these factors provide operational definitions of personality traits. These traits are validated by correlations between scores on these factors and observed behavior. For example, a factor emphasizing extraversion* would be correlated with outgoing behavior.
*Extraversion is "the act, state, or habit of being predominantly concerned with and obtaining gratification from what is outside the self". Extraverts tend to enjoy human interactions and to be enthusiastic, talkative, assertive, and gregarious. They take pleasure in activities that involve large social gatherings, such as parties, community activities, public demonstrations, and business or political groups. Politics, teaching, sales, managing and brokering are fields that favor extraversion. An extraverted person is likely to enjoy time spent with people and find less reward in time spent alone. They tend to be energized when around other people, and they are more prone to boredom when they are by themselves.
Although many people view being introverted or extraverted as a question with only two possible answers, most contemporary trait theories (e.g. the Big Five) measure levels of extraversion-introversion as part of a single, continuous dimension of personality, with some scores near one end, and others near the half-way mark.
You may also be interested in: Personality Tests Introduction, Why You Need to Understand Them, How They Work, How Many Personality Traits Are There?, The Big 5 Aspects of Personality, How Personality Profiles are Used, Your Personality at Work, Testing for Honesty, Integrity and Stress, Negative Aspects of Personality, Motivation, Extraversion and Leadership, Can You Beat the Personality Test, Understanding the Personality Test Industry, Even Popular Tests are Controversial and Best Practice Guidelines for Personality Tests.
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