Related psychological principles
Research in this area is based on the principles of communication (both verbal and non-verbal communication) and emphasis is placed on trying to evaluate the reliability of information and deliberate deception. Now, you will explore elements of verbal and non-verbal communication.
What are they trying to say?
Take a look at the images in the Slideshare below, and think about what is being communicated through body language in each photo. What do you think is being said during these interactions? Do you think the body language (non-verbal communication) would match the words being spoken (verbal communication) in each instance?
Elements of non-verbal communication - describe the elements of verbal or non-verbal communication
9 images will be presented in this clip. Using the Guide to the Elements of Non-Verbal Communication, guess the overarching emotion that is represented in each image.
Make your guess is ‘educated’ by analysing the images using some of the elements in the Guide as points of reference.
Image 1: Man and woman at a dinner table posing awkwardly
Image 2: Man and woman side-by-side facing water with caption “Planning a (Clever) First Date) by the Clover Coquettes”
Image 3: Group of men crowded around table with arms outstretched
Image 4: Two women facing a man with palms up in rigid stances
Image 5: Woman and man at a dinner table with woman crossing her arms looking awa
Image 6: Group of college students on park bench laughing
Image 7: Side-by-side photographs. The left shows a man right up against another’s face but they’re both laughing. The right photograph shows a man right up against another man’s face with both looking tense
Image 8: Man and a woman dining at a restaurant and facing each other in intimate setting
Image 9: Two athletes with arms on each other embracing
Paralanguage
Non-verbal cues of the voice (e.g. pauses, tone)
Oculesics (eye contact) Generally revolves around length and intensity of contact and may be used to:
control conversation express emotion indicate honesty/frankness
Kinesics (body language)
Non-vocal body movements that express meaning
Facial expressions (Ekman)
Anger, happiness, disgust, sadness, surprise and fear
Gesture Specific signs or motions used to enhance communication such as:
emblems: substitute for words and phrases illustrators: accompany and reinforce verbal messages affect displays: indicate emotional meaning regulators: assist in controlling conversation/interaction.
Proxemics (interpersonal space)
Intimate distance: about 15–45cms Personal distance: about 46–120cms Social distance: about 1.2–3.4mtrs Public distance: about 3.7–7.6mtrs.
Haptics (touch)
Positive (like a pat on the back) Negative (spanking) Control (grabbing of the arm) Playful (tickling) Ritualistic (handshake) Task-related (dance positioning).
Verbal Communication - describe the elements of verbal or non-verbal communication
Verbal communication can take on a range of different styles, depending on our background, our personality, or our motives. Here are some examples of verbal communication styles commonly employed by investigators:
Standard versus non-standard speech: The degree to which an individual employs non-normative words and phrases (e.g. slang). Powerful versus non-powerful speech: The degree to which an individual speaks with authority. Accommodations versus non-accommodation: The degree to which an individual adjusts their speech to match the speech styles of others present.
During interviewing and questioning, investigators can deliberately adjust their communication style to different effects:
Perceptual set: A target’s perception of a communication will be impacted by their current mindset (i.e. frame of mind). Stress: A target’s perception of a communication will be negatively impacted if they are too stressed OR too relaxed (Yerkes-Dodson Principle). Cognitive overload: A target’s perception of a communication will be negatively impacted if they are cognitively over-taxed
The differing goals of questioning and interviewing
Questioning objectives
Establish a rapport with the person. Ensure questions are in fact questions. Ensure communication is clear. Ensure that any potential psychological barriers to communication are removed.
Interviewing objectives
Manage the environment. Establish control of the interaction. Maintain control of the interaction. Detect deception.
Read Chapter 15 Language and communication (Links to an external site.) (Vaughan & Hogg, 2011, pp. 600–640), as they go into much greater depth in the discussion of verbal and non-verbal communication and will provide more information for you than the summary table in the next module.
Read Part II detecting deception (PDF 1.5 MB) (Links to an external site.) (Hess, 2010, pp. 39–64), as it has a great explanation on how verbal and non-verbal clues can be used to detect deception (Hess, 1997). The three chapters of this section are short, and will definitely help you complete the Activity.
The unimportant flaw - liars, when telling a story must rely on their imagination, they have no actual memory of the event because it never happened. Often produce a story that varies in many ways from the recounted memory. When confronted by investigators nearly all suspects, both the guilty and the innocent will have a prepared version of the event in question. Suggested that you listen not just for the relevant facts but for the tangential items as well. Suspects often put little though into them. The supervisor should look beyond the respective accounts of what happened at the scene. The secret lays in understanding the nature of the parking lot security officer. Listening provides the key.
A change in demeanor - Tell the suspect you would like to go over the story again, as the suspect tells the story, interrupt at various points and ask for additional details. Questions have 2 characteristics, they relate to what the subject said but at the same time offer little change that the suspect will have anticipated them. Makes the questions reasonable and required answers that the suspect will not have rehearsed. ‘was it decorated’, Listening carefully for the suspects tone and demeanor as they respond. Most guilty people who have consented to an interview do so with the intention of convincing the interviewer of their innocence.
The trap - it may be the interviewer conveying the feeling that he believes the suspect. An effective trap question should meet several criteria: it should not be accusatory; based on potential evidence currently under development; use only after the suspect has committed to a statement that the evidence might be refuted; in answer to the question regarding the alley, innocent suspects would deny having been there but guilty people will change their story and give an outlandish and potential contradiction. Listen not only for the answer but for the spontaneity of the response. Use of similar ploys has occasionally resulted in a confession.
Indicator Questions - Investigators have noted that despite the creativity of many liars, they often behave in predictable ways, particularly regarding how they answer certain questions. Their goals, escape and evasion, channel them into paths of predictable behaviour. Interviewers usually introduce themselves by giving their name, position and purpose. It can provide insight when asking a suspect why they think they are there. By weaving leading questions into the interview and keeping track of the answers, interviewers can determine whether a deceitful pattern exists.
Attempts to Convince - If interviewers reduce the initial anxiety causes by their presence and refrain from making accusations, few innocent people will feel the need to convince the interviewers of their honesty.
Summary - truthful people recount events from memory; thus, their stories sound real. Liars must use their imagination and even when given plenty of time to prepare, their stories often have a hallow ring that can be heard by an attentive interviewer.
Non-Verbal Cues - The Fight or Flight Response - adrenalin and sugar are released into the bloodstream, pulse and breathing rates increase, sweat glands activate, pupils dilate, salvatory glands shut down, digestion ceases. guilty people represent the modem version of the saber-toothed tiger, they pose a threat, the suspects body prepares of fight or flight. Rapport building is important in differentiating the guilty from the innocent. Build rapport, learn the suspects truthful behaviour, look for deviations from truthful behaviour when the discussion turns to relevant matters, withhold judgement until a certain time, ensure that these behaviours occur.
Creativity - eyemovement and modes of thought in rapport building. creativity = lying.
Polygraph can detect changes in the body that result from the anxiety of being caught in a lie.
Read Chapter 9 Case study: The interrogation from Interviewing and interrogation for law enforcement (Links to an external site.) (Hess, 2010, pp. 99–103) in preparation for this week’s discussion. Take note of the suspect’s verbal responses and body language and how the interviewer established and maintained control of the interview.
Analysis of Case:
- used many techniques to produce the confession
- minimization as his primary pitch
- took the time to verbalize the insignificance of the deed (if they paid her more, she wouldnt have to steal, was needed for her kids - made the confession more palatable)
- classic sales principle gratitude - stood up for her, she felt indebted and responded accordingly
When questioning someone, what would your goals be?
The tactics of an interview intended to gain a confession would not, for example, be used when questioning a witness - the goals of these interactions are therefore the method of interaction is dramatically difference between each style of interaction
Questioning Objectives:
- establish a rapport with the person
- ensure questioning are in fact questions
- ensure communication is clear
- ensure that any potential psychological barriers to communication are removed.
What might be the goals, if you are interviewing someone?
Interviewing Objectives:
- manage the environment
- establish control of the interaction
- maintain control of the interaction
- detect deception
What sort of information can be indicated to some extent through eye contact?
generally revolves around length and intensity of contact and may be used to:
- control conversation
- express emotion
- indicate honesty/frankness
The forensic interviewer would note verbal and non-verbal markers. What could some markers be?
Verbal Communication:
- standard vs non-standard speech (the degree to which an individual employs non-normative works and phrases, such as slang)
- Powerful vs non-powerful speech ( the degree to which an individual speaks with authority)
- Accommodation vs non-accommodation (the degree to which an individual adjusts their speech to match the speech styles of others present)
During an interview:
- perceptual set (a targets perception of a communication will be impacted by their current mindset)
- stress (a targets perception of a communication will be negatively impacted if they are too stressed OR too relaxed)
- Cognitive Overload (a targets perception of a communication will be negatively impacted if they are cognitive over-taxed)
Non-Verbal Communication:
- paralanguage (pauses, tones)
- oculesics (eye contact - control conversation, express emotion, indicate honesty/frankness)
- Kinesics (body language - body movements)
- Facial expressions (anger, happiness, disgust, sadness, surprise and fear)
- Gesture (emblems: substitute for words and phrases, illustrators: accompany and reinforce verbal messages, affect displays: indicate emotional meaning, regulators: assist in controlling conversation/interaction)
- Proxemics (interpersonal space - intimate distance 15 - 45 cms, personal distance 46 - 120 cms, social distance 1.2 - 3.4 mtrs, publish distance 3.7 - 7.6 mtrs)
- Haptics (touch - positive - pat on the back, negative - spanking, control - grabbing the arm, playful - tickling, ritualistic - handshake, task-related - dance positioning)
Can certain behavioural attitudes, such as anxiety, ambivalence, being guarded can indicate deception?
Read Part II detecting deception: Hess
Summary - truthful people recount events from memory; thus, their stories sound real. Liars must use their imagination and even when given plenty of time to prepare, their stories often have a hallow ring that can be heard by an attentive interviewer.
Non-Verbal Cues - The Fight or Flight Response - adrenalin and sugar are released into the bloodstream, pulse and breathing rates increase, sweat glands activate, pupils dilate, salvatory glands shut down, digestion ceases. guilty people represent the modem version of the saber-toothed tiger, they pose a threat, the suspects body prepares of fight or flight. Rapport building is important in differentiating the guilty from the innocent. Build rapport, learn the suspects truthful behaviour, look for deviations from truthful behaviour when the discussion turns to relevant matters, withhold judgement until a certain time, ensure that these behaviours occur.
Creativity - eyemovement and modes of thought in rapport building. creativity = lying.
Polygraph can detect changes in the body that result from the anxiety of being caught in a lie.