UQx PSYC1030.3x 7-3-2 Contemporary tests of intelligence


If you have completed any intelligence measures,
it’s likely that you have completed one of the Wechsler intelligence scales developed
by an American psychologist David Wechsler. The Wechsler Adult Intelligence Scale, also
known as WAIS, is an intelligence test for adults. It was first developed back in 1955. Since then, a few different versions of the
test have been developed. We are now up to the WAIS–IV (FOUR). Now, because of the issues with age, separate
versions of the test have been developed for children. The Wechsler Intelligence Scale for Children,
or WISC, is used for young children and the Wechsler Preschool and Primary Scale of Intelligence,
or WPPSI, is used for pre-school aged children. Different questions are used for different
age groups and the different tests are standardised on the appropriate age groups. People’s performance on the test is then
compared to the standardised information. Now, when people complete the WAIS, they receive
a score that represents their overall, or fullscale IQ, which is broken down into two
components verbal IQ, performance IQ. Each of these has two secondary indices. For verbal IQ they are verbal comprehension,
working memory, for performance IQ they are perceptual organization, and processing speed. These additional performance indicators provide
people with fairly detailed information about their performance across a number of different
domains from the test. These tests are typically administered by
trained test administrators. Typically these tests assess things like digit
span, or the ability to keep a series of numbers in working memory, which is a component of
verbal IQ. So I might ask you to to repeat the following
numbers back out aloud once I’ve finished saying them. 7, 4, 9, 2, 4, 3, 6, 1, 8. So how did you go with that task? What you will notice, unlike the questions
I asked you about Australian animals or American currency, this task doesn’t rely on much
culture-based knowledge. Let’s try a few more questions in an activity.

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