The Thurstone's Primary Mental Abilities Test is the test that actually showed increases into old age
What is the Schales test?
This test is known to measure aspects of cognitive ability such as language and verbal understanding, reasoning, word fluency, numerical sense, spatial awareness, and rote memory.
Fluency and fast word use are required for activities like rhyming, decoding anagrams, and completing crossword puzzles.
The results indicate that several of the key mental talents' slopes of decline have greatly flattened throughout young old age. Verbal meaning, inductive reasoning, spatial orientation, and psychomotor speed all fall under this category.
Read more on mental tests here: https://brainly.com/question/25942878
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