Introduction to Pscyhological Testing
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Transcript of Introduction to Pscyhological Testing
1
Psychological Testing
Introduction
Lecturer: Josie B. Banaglorioso, Ph.D.
2
Introduction
Name
History of formal assessment course
Current occupation and office
Experience in testing: years, type, task
(administration, scoring, interpretation, report
writing, feedback)
Mobile and email address
Expectations
Types of tests and population of interest
3
Psychological Test
an objective and standardized
measure for sampling behavior/
attribute and describing it with
categories and scores .
Creativity Exercise
How creative are you?
5
Psychological Test
Sampling behavior/attribute: Cognitive, emotional, personality and behavioral factors
Each attribute tries to empirically demonstrate correspondence with the performance in the test and other situations
Diagnosis of the present condition to predict performance in the future and in other situations
Difference between Testing and Assessment?
6
Psychological Test
Sampling behavior/attribute: Cognitive, emotional, personality and behavioral factors
Each attribute tries to empirically demonstrate correspondence with the performance in the test and other situations
Diagnosis of the present condition to predict performance in the future and in other situations
Difference between Testing and Assessment?
Testing vs. Assessment
Assessment More comprehensive
Entire process of compiling information about a
person and using it to make an inference about
characteristics and to predict behavior
Involve observations, interviews and tests
Examiner combines data from different sources
Testing Only one source of information used in the
assessment process 7
8
Defining Features of Tests
Standardized procedure
Behavior sample
Scores or categories
Norms or standards
Prediction of non-test behavior
Test Toolkit usually
includes
Manual
Test booklet or materials (for
performance tests)
Answer sheet
Scoring template
Profile sheet
9
Elements we usually find
in a test manual
What and how attribute is measured
The standardized condition it was
obtained
The validity and reliability measures
Established rules for scoring, obtaining
quantitative/qualitative information of the
attribute
10
11
Uses of Psychological Tests
Classification or Diagnosis
Treatment planning (counseling or educative
interventions)
Self knowledge
Selection
Program evaluation
Research
Certification
Available Tools
Children
Children’s Apperception
Test
House Tree Person
Kinetic Family Drawing
Child Symptom Inventory
MMTIC
OLSAT
Adolescent LD
Youth Self Report Form
(add CBC and TRF)
Learning Disability
Diagnostic Index
Child Behavior Checklist
and Teacher Report Form
16 PF
BarOn EQ
12
Available Tools
16 years old up
Neo Pi-R
MBTI
Jackson Inventory
Multiple Aptitude Battery
Filipino Values Scale
Holland Occupational
Theme
Vocational Preference
Index
Basic Personality
Inventory
Firo B
Strengths Finder
Oasis Aptitude and
Interest
OLSAT G
13
14
Some Application of
Psychological Tests
Classification and diagnose children’s ability and
determine the type of school instruction or intervention
needed
Guide HS and college students in their educational
and occupational decisions
Select applicants for professional schools
Select and classify industrial personnel during hiring,
job assignment transfer, promotion and termination
15
Application of Psychological Tests
Determine the emotional well being and effective
interpersonal relationship
Assess person with severe emotional disorder and
behavioral problems
Effectiveness of different procedures and
outcomes of psychotherapy
Teacher made tests or achievement tests
16
Types of Tests
Broad Distinction
Group Tests Testing large group of people at the same time Largely paper and pencil
Individual Tests Administered one on one
Opportunity to gauge motivation relevant behavior or
responses e.g. hyperactivity, impulsivity, anxiety
Which is more expensive?
What purpose does each serve?
17
Types of Tests
Sources
Test of performance – subject performs a task
Behavioral Observations of the subject in a given context
Self Reports subject describes his/her experience
18
Types of Tests
Sample Attributes
Intelligence tests – individual ability across global areas: verbal, perceptual reasoning to assess potential for scholastic work
Aptitude Tests – specific skill or task
Achievement – degree of learning or accomplishment of task
Creativity – novel or original thinking or unusual solutions
19
Types of Tests
Sample Attributes
Personality – traits, qualities & behavior
Interest inventories – preferences for occupational
choices
Behavior or Reaction – frequency count or type of
behavioral responses; identifying the antecedents and
consequences of behaviors
Neuropsychological tests – determine the extent of
brain functioning across sensory, perceptual, memory and motor
Assessment areas in different
fields of Psychology
Field of Study Areas of Assessment
Clinical Psychology Intelligence, learning disability
Psychopathology
Counseling Psychology Career interests,
Aptitude, Ability
Social Adjustment
Industrial/Organizational Managerial potential, career dev’t
Competencies
School Psychology Maturity and readiness
Ability and academic progress
Differently-abled children
Neuropsychology Brain damage
20
21
Test Users
Parents
Teachers
Counselors
Administrators or Employers
Personnel workers in the industry
Medical Doctors
Lawyers or Legal system
Characteristics of a Good Test
Practical Attributes
Economy
Ease of administration
Ease of scoring
Appropriate level of difficulty
Sufficient information for the
psychologist/counselor to interpret results
22
Characteristics of a Good Test
Technical Attributes
Validity
Reliability
Appropriate norms
Standard procedure of administration and
scoring
23
24
Standard procedure of administration
and scoring
Using appropriate Norms
Reliability
Variability
How do you ensure objectivity?
25
Uniformity of procedure and
administering, testing conditions and
scoring the test
Establishment of Norms test scores is
interpreted by comparing to scores of
others on the same test
Standardization
Challenges
Poorly trained and unprepared examiner
Unclear directions or stimulus materials
Examiner improvises instruction or the
stimulus
Facial expression and spontaneous
comments of the examiner
26
Norms
Summary of test results for a large and
representative group of subjects
An examinee’s test score is usually
interpreted by comparing it with the
scores obtained by others on the same
test which you call the Norms
27
28
You have to administer it to a large, representative sample of the type of persons it was designed
The group is called the standardization sample or norm group
Determine the average performance and differences of scores from each other and published these derived scores known as norms
Norms come in percentile ranks, age equivalents , grade equivalents or standard scores
How are norms established?
Desirable Procedures of
Test Administration
Examiners must be intimately familiar
with the materials and directions
before administering the test e.g.,
extensive practice
Ensure that the room that is quiet, well
illuminated, ventilated and has less
distraction
Be sensitive to the disabilities of the
examinee may distort test results 29
Desirable Procedures of
Test Administration
Observe the correct timing for the timed
tests. This requires foresight in
scheduling.
Read the instructions slowly, clearly
and audible enough to the examinee
Provide adequate writing surface
30
Remember…..
The quality of a test is largely determined by the
representativeness of this sample
Majority of psychological tests are interpreted by
consulting norms, these instruments are called norm-
referenced tests
Norm Referenced tests – performance of each
examinee is interpreted in reference to relevant
standardization sample
31
32
Reasons Why Control the
Use of the Test
To ensure the test is given by a qualified
examiner and scores are properly used.
To prevent general familiarity of the test
content which would invalidate the test
Competencies Required
of Test Users
Knowledge on major tests in the field
Knowledge on sources of test information
Awareness on the current issues and
trends in testing
Fluency in reading, evaluating and
understanding test manuals
Experience in administering test
materials (individual or group)
33
Competencies Required
of Test Users
Understanding of basic measurement
concepts: types of validity and reliability
and relationship
Familiarity with basic statistics: central
tendency, variability, standard error of
measurement
Understanding of scoring procedure
34
Competencies Required
of Test Users
Adequate strategies to prepare clients for
testing
Skill in reading verbal and nonverbal
cues expressed by the client
Proficiency in explaining test results
accurately in a language they understand
Experience and Strategies for presenting
results to varied groups 35
Competencies Required
of Test Users
Familiarity with test interpretation forms
or computerized report forms
Awareness of the legal, professional and
ethical guidelines related to testing
Ability to integrate and synthesize the
problem, context, test results
Writing skills
Experience and comprehension to make
relevant recommendations
36
Remember…..
Psychological test is not an exhaustive
measurement of all possible behaviors
that could be used in measuring a
particular attribute
37
History of Psychological
Testing
38
39
Rudimentary Forms in
China 2200 BC (1370)
Chinese emperor had his officials examined to every third year to determine fitness for office; comprehensive civil service exam
Determine their proficiency in the Confucian classics by composing essays and poem
Beauty of penmanship weighed heavily predictor of suitability for civil service exam (clear and accurate communication)
7% who passed moved to the district examination
10% who passed moved to Peking for the final round
3% selected to become Mandarins and eligible for public office
Abolished 1906
40
Brass Instruments Era
(Europe 1800)
Gave importance to objective methods and measurable quantities focused on measuring sensory processes for intelligence.
They used brass instruments to measure sensory thresholds and reaction times thinking that it is a measure of intelligence.
Wundt developed the calibrated pendulum; ability to observe and nuance the position of pendulum when the bell sounds determines the speed of thought of the examinee
41
Brass Instruments Era
(Europe 1822-1911)
Galton, 1911, tried to measure intellect by means of reaction time and sensory discrimination tasks;
He is obsessed with measurement . Borrowed the psychophysical instruments of Wudnt. Devised practicable measures of individual differences both the physical and behavioral domains can be measured
Physical : height, weight, head length, arm span, length of middle finger
Behavioral: strength of squeeze, visual acuity, highest audible sound, speed of blow and reaction time speed of blow
Sir Frances Galton
42
Brass Instruments
Era 1860-1944
James Cattell interested in individual differences; invented the term “mental tests” (1890): strength of hand squeeze, rate of hand movement, threshold for touch, weight differentiation, reaction time for sound, time for naming colors, number of letters repeated on one hearing;
Clark Wissler, (1901)student of Cattell, tried to demonstrate that test results from “mental tests” will predict academic performance (basic validation study); very little correlation (0.16); abandon the reaction time and sensory discrimination as measures of intelligence; also turned away from brass instruments as measures.
43
Changing Conceptions of Mental
Retardation in the 1800s
Alfred Binet, early 1900, wants to identify children in the Paris school system who were likely to profit from ordinary instruction; identify children with mental retardation.
J.E.D. Esquirol tried to distinguish mental retardation and mental illness; gave emphasis on language skills in diagnosing mental retardation (using short phrases, monosyllables and cries more often) Verbal ability plays an important concept of intelligence
O.E.Seguin tried to develop educational programs for MR , what is now called behavior modifcation
44
Changing Conceptions of Mental
Retardation in the 1800s
Alfred Binet Minister of Education in Paris became interested children who can benefit from regular instruction.
Binet and Simon (1905) measured practical judgment as measure of intelligence: judge, understand and reason well
Binet developed a 30 item tool aimed at assessing child’s general ability; that was brief and practical (less than an hour); essential attribute is practical-judgment; arranged by approximate level of difficulty and content; a rough standardization done with 50 normal children
Revised by 1908: 58 item tests; new items where added e.g., reconstructing scrambled sentences, copying a diamond and executing a sequence of 3 commands; and standardized on about 300 normal children between 3 to 13. The concept of mental level - items passed 80-90 % of the 3 year olds were placed in the 3 year level and similarly on up to 13.
45
Changing Conceptions of Mental
Retardation in the 1800s
Binet ‘s 3rd revision 1911: each age level has now five tests; it was also extended to adult range.
Stern, 1914, introduced the IQ, mental age divided the chronological age.
Terman and his associates, 1916, suggested multiplying the IQ with 100 to eliminate the fractions; 1st person to use IQ; revised the Binet-Simon scales and published the Stanford Binet.
Abuse of the use of IQ tests among immigrants Goddard 1917; used labels Moron
46
Invention of Nonverbal
Tests
Came about bec Binet- Simon measures only verbal skills and not appropriate for non-English speaking subjects and for those with speech and hearing impairments. (1913)
Seguin introduce the use of form board
Knox similar to digit symbol
Pintner and Patterson performance test that use puzzles, object assembly tests
47
Group Tests & Classification
of WWI Army Recruits (US)
Pyle (1913) developed a group tests using school children norms, measures memory span, digit symbol, oral word association.
Robert Yerkes, 1917 convinced the US govt to give 1.75 million army recruits intelligence tests for purposes of classification and assignment: Army Alpha and Army Beta
Army Alpha was based on the unpublished work of Otis; verbally loaded e.g. following oral instructions, arithmetical reasoning, practical judgment, antonym- synonym, disarranged sentences, number series, analogy and information.
Army Beta non verbal group tests designed for illiterates and recruits whose 1st language is not English; consists of visual perceptual motor tests, mazes and visualizing the blocks
But tests have little practical impact on the efficiency of the Army. Tens of thousands of recruits received zero for most of the test bec they cant understand the instructions.
48
Group Tests & Its use in
Educational Settings
National Intelligence Test 1920 was given to 7 million
children (roots of Wechsler series, SAT & GRE)
College Entrance Examination Board was developed to
do same testing for US colleges. These tests latter
evolved to Scholastic Aptitude Test now known as
Scholastic Assessment Test.
1930 Machine scoring was introduced
Made use of multiple choice and other objective item
type
49
Development of Aptitude
Tests
What is the difference between IQ and Aptitude Test?
Development lagged behind that of intelligence tests
because 1930-38
Statistical problem (new technique was needed to distinguish
which aptitude is primary and which is different from the other.
Only came about when factor analysis was discovered 1938.
Thurstone came about with 8 primary mental ability factors
Absence of practical application. WWII there was pressing
need to select applicants who are highly qualified to do
specialized tasks like flight engineers, pilots, navigators