© mcgraw-hill higher education. all rights reserved. chapter 17 exercise psychological measurement
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Chapter 17Chapter 17
Exercise Psychological Exercise Psychological MeasurementMeasurement
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Chapter 17 OutlineChapter 17 Outline
Psychological ConstructsPsychological Constructs
Measuring AttitudesMeasuring Attitudes
Psychological Determinants of Physical Psychological Determinants of Physical ActivityActivity
Eating DisordersEating Disorders
Body ImageBody Image
Psychophysical RatingsPsychophysical Ratings
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Psychological ConstructsPsychological Constructs
Many different classes, or categories, of Many different classes, or categories, of psychological constructspsychological constructs
Summarized by Ostrow (1996), with Summarized by Ostrow (1996), with description of over 300 instrumentsdescription of over 300 instruments
Detailed description of source, purpose, Detailed description of source, purpose, test construction, reliability and validity test construction, reliability and validity evidence, norms, contact informationevidence, norms, contact information
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Psychological ConstructsPsychological Constructs
Ostrow provided 20 categories:Ostrow provided 20 categories: Achievement orientationAchievement orientation AggressionAggression AnxietyAnxiety AttentionAttention Attitudes (towards exercise and physical Attitudes (towards exercise and physical
activity)activity) Attitudes (towards sport)Attitudes (towards sport) AttributionsAttributions
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Psychological ConstructsPsychological Constructs
Ostrow provided 20 categories Ostrow provided 20 categories (continued):(continued): Body imageBody image Cognitive strategiesCognitive strategies CohesionCohesion Confidence (exercise)Confidence (exercise) Confidence (sport)Confidence (sport) ImageryImagery LeadershipLeadership Life adjustmentLife adjustment
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Psychological ConstructsPsychological Constructs
Ostrow provided 20 categories Ostrow provided 20 categories (continued):(continued): Locus of controlLocus of control Miscellaneous (variety of specific Miscellaneous (variety of specific
constructs)constructs) Motivation (exercise)Motivation (exercise) Motivation (sport)Motivation (sport) Multidimensional (measure multiple Multidimensional (measure multiple
constructs in one instrument)constructs in one instrument)
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Directory of Psychological Directory of Psychological Measurements (LeUnes 2002)Measurements (LeUnes 2002)
Measures of enduring traits (e.g., Measures of enduring traits (e.g., aggression, burnout, easting disorders)aggression, burnout, easting disorders)
Measures of temporary traits (e.g., Measures of temporary traits (e.g., anxiety, depression)anxiety, depression)
Sport-specific measures (aggression, Sport-specific measures (aggression, motivation, self-efficacy)motivation, self-efficacy)
Measures of response tendenciesMeasures of response tendencies
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Measuring AttitudesMeasuring Attitudes““...feelings about particular social objects-...feelings about particular social objects-physical objects, types of people, physical objects, types of people, particular persons, social institutions, particular persons, social institutions, government policies” (Nunnally, 1978)government policies” (Nunnally, 1978)
Response usually is a Disagree - Agree Response usually is a Disagree - Agree continuumcontinuum
Usually range from 2 to 7 response Usually range from 2 to 7 response optionsoptions
Some (negatively-worded) items should be Some (negatively-worded) items should be reverse-scored when entering datareverse-scored when entering data
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Attitude Towards Physical ActivityAttitude Towards Physical Activity
ATPA (Kenyon, 1968)ATPA (Kenyon, 1968)
Assesses motives for engaging in Assesses motives for engaging in physical activityphysical activity
6 dimensions (6 subscales)6 dimensions (6 subscales)
Dimensions are independent (subscale Dimensions are independent (subscale scores should not be added together to scores should not be added together to make a total score)make a total score)
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ATPA SubscalesATPA SubscalesSocial experienceSocial experience to meet people and maintain friendshipsto meet people and maintain friendships
Health and fitnessHealth and fitness to maintain or improve health and fitnessto maintain or improve health and fitness
VertigoVertigo to experience element of thrillto experience element of thrill
AestheticAesthetic to experience beauty or artistry of movementto experience beauty or artistry of movement
CatharsisCatharsis to release tensions of daily livingto release tensions of daily living
AsceticAscetic to experience strenuousness or pain associated to experience strenuousness or pain associated
with training or competitionwith training or competition
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Semantic Differential ScalesSemantic Differential ScalesSeries of bipolar adjectives (e.g., Series of bipolar adjectives (e.g., pleasant/unpleasant, hard/soft, fast/slow)pleasant/unpleasant, hard/soft, fast/slow)Stimulus provided (e.g., “physical Stimulus provided (e.g., “physical activity”, “physical education class”), to activity”, “physical education class”), to which subject responds via biploar which subject responds via biploar adjectivesadjectivesThree semantic dimensionsThree semantic dimensions evaluative (e.g., good/bad)evaluative (e.g., good/bad) potency (e.g., strong/weak)potency (e.g., strong/weak) activity (e.g., hot/cold)activity (e.g., hot/cold)
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Semantic Differential ScalesSemantic Differential Scales
Scored on a 5 to 7 point scaleScored on a 5 to 7 point scale
Some adjective pairs should be Some adjective pairs should be reversed, to check for response setreversed, to check for response set
Reverse-worded pairs should be Reverse-worded pairs should be reverse scoredreverse scored
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Example Item from CATPA-IExample Item from CATPA-IHow do you feel about the idea below?
Physical Activity for Social Growth Taking Part in Physical Activities that Give You
a Chance to Meet New people Good Bad
Of no use
Useful
Not pleasant
Pleasant
Nice Awful
Happy Sad
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Psychological Determinants of Psychological Determinants of Physical ActivityPhysical Activity
Important to assess determinants of Important to assess determinants of physical activityphysical activity
Public health benefits of physical activity Public health benefits of physical activity promotionpromotion
Adherence to exercise programs is Adherence to exercise programs is generally lowgenerally low
Dropout rate of 50% (Dishman, 1990)Dropout rate of 50% (Dishman, 1990)
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Determinants of Physical ActivityDeterminants of Physical Activity
Dishman, 1990:Dishman, 1990: Smoking behaviorSmoking behavior Occupational levelOccupational level Body compositionBody composition Exercise historyExercise history Self-motivationSelf-motivation Knowledge of health benefitsKnowledge of health benefits Positive affectPositive affect Perceived efficacyPerceived efficacy
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Self-Motivation InventorySelf-Motivation Inventory
SMI (Dishman and Ickes, 1981), 40-item, 10 SMI (Dishman and Ickes, 1981), 40-item, 10 subscale questionnairesubscale questionnaire
Reduced to 35-item, 6 factor scale by Merkle Reduced to 35-item, 6 factor scale by Merkle (1997)(1997)
Six subscales:Six subscales: CommitmentCommitment LethargyLethargy DriveDrive PersistencePersistence ReliabilityReliability DisciplineDiscipline
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Physical Estimation and Attraction Physical Estimation and Attraction ScaleScale
PEAS (Sonstroem, 1974)PEAS (Sonstroem, 1974)
33 Estimation items (assess perceptions of 33 Estimation items (assess perceptions of one’s own physical abilities)one’s own physical abilities)
e.g., “It is difficult for me to catch a thrown e.g., “It is difficult for me to catch a thrown ball”ball”
54 Attraction items (assess one’s interest in or 54 Attraction items (assess one’s interest in or attraction to physical activity)attraction to physical activity)
e.g., “I love to run”e.g., “I love to run”
2 items assess social aspect of physical 2 items assess social aspect of physical activity, and 11 “neutral” items (help to mask activity, and 11 “neutral” items (help to mask the intent of the questionnaire)the intent of the questionnaire)
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Eating DisordersEating Disorders
Prevalent in young womenPrevalent in young women
Complex etiology and pattern of behaviorsComplex etiology and pattern of behaviors
Unhealthy eating or purging habitsUnhealthy eating or purging habits
Often in response to perceived societal Often in response to perceived societal expectations regarding body weight and expectations regarding body weight and attractivenessattractiveness
Binge eatingBinge eating
Anorexia nervosaAnorexia nervosa
Bulimia nervosaBulimia nervosa
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Eating DisordersEating Disorders
Anorexia nervosaAnorexia nervosa drive for thinnessdrive for thinness dietary restrictiondietary restriction 20% mortality rate20% mortality rate
Bulimia nervosaBulimia nervosa binging (excessive caloric intake)binging (excessive caloric intake) purging (vomiting, use of laxatives)purging (vomiting, use of laxatives)
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Eating Disorder Inventory (EDI)Eating Disorder Inventory (EDI)
Comprehensive scale (64 items)Comprehensive scale (64 items)
Intended for clinical use (by psychology Intended for clinical use (by psychology professionals)professionals)
Eight subscales:Eight subscales: Drive for thinnessDrive for thinness BulimiaBulimia Body dissatisfactionBody dissatisfaction IneffectivenessIneffectiveness PerfectionismPerfectionism Interpersonal distrustInterpersonal distrust Interoceptive awarenessInteroceptive awareness Maturity fearsMaturity fears
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Eating Attitudes Test (EAT)Eating Attitudes Test (EAT)
Widely used
Originally 40 statement items, describing behaviors (e.g., “I eat diet foods”)
Likert response (Never ... Always)
Reduced to 26 items by Garner (1982)
High correlation between 26-item and 40-item versions (r = 0.97)
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Eating Attitudes Test (EAT)Eating Attitudes Test (EAT)
Factor analysis on 800 young female Factor analysis on 800 young female Israelis resulted in 4-factor structureIsraelis resulted in 4-factor structure
Four subscales:Four subscales: Dieting (“I engage in dieting behavior”)Dieting (“I engage in dieting behavior”) Oral control (“I enjoy eating new and rich Oral control (“I enjoy eating new and rich
foods”)foods”) Awareness of food content (“I avoid foods Awareness of food content (“I avoid foods
with sugar in them”)with sugar in them”) Food preoccupation (“I feel that food controls Food preoccupation (“I feel that food controls
my life”)my life”)
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Eating Attitudes Test (EAT)Eating Attitudes Test (EAT)
Shortened version (10 items) developed Shortened version (10 items) developed on 2300 students at University of Houstonon 2300 students at University of Houston
Four factors structureFour factors structure
Percentile norms availablePercentile norms available
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EAT Norms (Univ. of Houston)EAT Norms (Univ. of Houston)PercentilePercentile Risk LevelRisk Level WomenWomen MenMen
9090 HighHigh 4141 4242
7575 Above Above averageaverage
3333 3131
5050 AverageAverage 2323 1818
2525 Below Below averageaverage
1616 1313
1010 LowLow 1212 1111
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Body ImageBody Image
Complex, multidimensional constructComplex, multidimensional construct
Many instruments exist, seemingly Many instruments exist, seemingly measuring different constructsmeasuring different constructs
Body image disturbances may Body image disturbances may contribute to eating disorderscontribute to eating disorders
Body image may be a determinant Body image may be a determinant and/or outcome of physical activity, and/or outcome of physical activity, exercise behaviorsexercise behaviors
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The Nature of Body ImageThe Nature of Body Image
““... the picture of our own body which ... the picture of our own body which we form in our mind” (Schilder, 1950)we form in our mind” (Schilder, 1950)Can be broadly divided into two major Can be broadly divided into two major componentscomponents– Sensory-perceptual: accuracy with Sensory-perceptual: accuracy with
which we perceive our body size, shape, which we perceive our body size, shape, dimensionsdimensions
– Cognitive-affective: thoughts and Cognitive-affective: thoughts and feelings associated with our bodiesfeelings associated with our bodies
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Measuring Body ImageMeasuring Body Image
Most widely used methods:Most widely used methods: Silhouette figure ratingsSilhouette figure ratings QuestionnairesQuestionnaires
Other methods:Other methods: Image distortionImage distortion Photograph ratingsPhotograph ratings Body width estimation (e.g., via light Body width estimation (e.g., via light
beams, paper and pencil, open door)beams, paper and pencil, open door)
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Silhouette Figure RatingsSilhouette Figure Ratings
Mostly used to measure body satisfactionMostly used to measure body satisfactionPresent figure silhouettes of ascending sizePresent figure silhouettes of ascending sizeSubject provides two ratings (on separate Subject provides two ratings (on separate sheets):sheets): Self (actual body size/shape)Self (actual body size/shape) Ideal (preferred body size/shape)Ideal (preferred body size/shape)
Self-Ideal score reflects body satisfaction Self-Ideal score reflects body satisfaction (larger score means greater dissatisfaction) (larger score means greater dissatisfaction) Other instruction sets (size preferred by Other instruction sets (size preferred by opposite sex, etc.)opposite sex, etc.)
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Body Image QuestionnairesBody Image Questionnaires
Most commonly used methodMost commonly used method
Many questionnaires existMany questionnaires exist
Some measure broad, multidimensional Some measure broad, multidimensional constructconstruct
Some measure more specific dimensions Some measure more specific dimensions of body image (e.g., body satisfaction, of body image (e.g., body satisfaction, body esteem, social physique anxiety)body esteem, social physique anxiety)
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Body-Self Relations QuestionnaireBody-Self Relations Questionnaire
Most commonly used questionnaireMost commonly used questionnaireHas changed formHas changed formCurrently a 54-item, 7-subscale structure Currently a 54-item, 7-subscale structure is usually usedis usually used– Appearance Evaluation (7 items)Appearance Evaluation (7 items)– Appearance Orientation (12 items) Appearance Orientation (12 items) – Health Evaluation (6 items)Health Evaluation (6 items)– Health Orientation (8 items) Health Orientation (8 items) – Fitness Evaluation (3 items)Fitness Evaluation (3 items)– Fitness Orientation (13 items)Fitness Orientation (13 items)– Illness Awareness (5 items)Illness Awareness (5 items)
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Psychophysical RatingsPsychophysical Ratings
Rating of perceived exertion (RPE)Rating of perceived exertion (RPE)Used during exercise evaluationUsed during exercise evaluationTwo RPE scales (Borg, 1962, 1972):Two RPE scales (Borg, 1962, 1972): 6-20 scale (linear)6-20 scale (linear) 0-10 scale (nonlinear/ratio)0-10 scale (nonlinear/ratio)
Scales have been used for rating Scales have been used for rating exertion during aerobic exercise exertion during aerobic exercise (whole body or localized muscular), (whole body or localized muscular), and exertion during strength/liftingand exertion during strength/lifting
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Rating of Perceived ExertionRating of Perceived Exertion
Can be used for exercise testing, or for Can be used for exercise testing, or for prescriptionprescription
Useful for determining exercise intensity, Useful for determining exercise intensity, especially when maximal heart rate is especially when maximal heart rate is unknownunknown
Use of RPE for prescription requires Use of RPE for prescription requires training participant to reproduce specific training participant to reproduce specific intensityintensity
Can also be used for rating work difficulty, Can also be used for rating work difficulty, injury prevention during strenuous workinjury prevention during strenuous work
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Formative Evaluation ofFormative Evaluation ofChapter ObjectivesChapter Objectives
Evaluate the validity of physical education attitude Evaluate the validity of physical education attitude scales.scales.Outline the procedures used to develop semantic Outline the procedures used to develop semantic differential scales.differential scales.Describe the nature of the Self-Motivation Inventory Describe the nature of the Self-Motivation Inventory (SMI).(SMI).Describe the nature of instruments designed to relate Describe the nature of instruments designed to relate exercise and self-esteem.exercise and self-esteem.Describe the nature of eating disorder scales.Describe the nature of eating disorder scales.Describe the nature of body image instruments.Describe the nature of body image instruments.Evaluate the validity and value of the psychophysical Evaluate the validity and value of the psychophysical rating of perceived exertion scales (RPE).rating of perceived exertion scales (RPE).