17 Questions
Which of the following assessment methods is described as subjective?
Essay test
What does the difficulty index indicate in a test?
The percentage of individuals who answered each item correctly
Which measure of central tendency is the most affected by outliers in a dataset?
Mean
What is the mathematical form to measure IQ as mentioned in the text?
$IQ = (MA/CA) \times 100$
In a normative test, how are the items related to each other?
Each item is independent of all other items
What does standard deviation describe in a distribution of scores?
The variability within the distribution of scores
What does the inclusive range measure?
The difference between high score and low score plus 1
What does an ipsative test compare within the same individual?
'Measures compare traits within the same individual'
What is the standard deviation of the T-score standardized score scale?
10
Which age group is the Wechsler Preschool and Primary Scale of Intelligence (WPPSI-III) designed for?
2 years/6 months up to 7 years/7 months
What does the Z in Z-score represent?
Zero mean
What does the Stanford-Binet IQ Formula use to replace the traditional IQ measure?
Standard Age Score (SAS)
What is the main purpose of the Wechsler Adult Intelligence Scale (WAIS-IV)?
Measure intelligence in adults and older adolescents
Which standardized measure assesses intelligence and cognitive abilities in children from age 2 and onwards?
Stanford-Binet
What type of scores are eliminated in the T-score standardized score scale?
Negative scores
Which standardized measure provides an estimate of global intellectual ability?
Wechsler Adult Intelligence Scale (WAIS-IV)
What is the mean of the T-score standardized score scale?
50
Study Notes
Assessment Methods
- Subjective assessment methods are those that rely on personal opinions or biases.
Test Analysis
- The difficulty index measures the proportion of test-takers who answer a question correctly.
- Standard deviation describes the amount of variation in a distribution of scores.
Measures of Central Tendency
- The measure of central tendency most affected by outliers in a dataset is the mean.
Intelligence Quotient (IQ)
- The mathematical form to measure IQ is Mental Age (MA) divided by Chronological Age (CA) multiplied by 100.
- The Stanford-Binet IQ Formula replaces the traditional IQ measure with a more nuanced calculation.
Normative Tests
- In a normative test, items are related to each other in terms of their difficulty level.
Standardized Scores
- The Z in Z-score represents the number of standard deviations from the mean.
- The T-score standardized score scale has a mean of 50 and a standard deviation of 10.
- Extreme scores are eliminated in the T-score standardized score scale.
Intelligence Scales
- The Wechsler Preschool and Primary Scale of Intelligence (WPPSI-III) is designed for children aged 2 years 6 months to 7 years 3 months.
- The Wechsler Adult Intelligence Scale (WAIS-IV) assesses verbal comprehension, visual-spatial skills, working memory, and processing speed.
- The Wechsler Intelligence Scale for Children (WISC-V) assesses intelligence and cognitive abilities in children from age 2 and onwards.
- The Wechsler Adult Intelligence Scale (WAIS-IV) provides an estimate of global intellectual ability.
Test your knowledge on assessment, testing measurement, appraisal, interpretation, and measures of central tendency. This quiz covers topics such as methods of gathering information, forming judgments, and expressing insights regarding measurement data.
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