The Iowa Tests of Basic Skills (ITBT) is a group administered achievement test that aims to provide a comprehensive evaluation of the progress of students in key content areas. The test evaluates all the core areas of study, including language skills, mathematics, science, study skills and social studies. Schools administer the different ITBT tests in various grades. Most tests must be administered separately by grade, while some levels are administered together. Grades 9 to 12 or level 15 to 18 can also be administered jointly. All these tests are timed, with the K5–3 going for two and a half to five hours over three days, the grade four to eight for three and a half to six hours and grades 9 to 12 for three and a half to four and a half hours over two days.
Schools administer the Kaufman Test of Educational Achievement to individual children in grades one to 12. It usually tests key academic skills in spelling, reading and mathematics. Psychologists, resource and remedial teachers can use this test to analyze the learner’s achievements and weaknesses. KTEA comes with two forms: a brief and comprehensive form. The brief form is a screening tool that only samples the spelling, mathematics and reading areas. However, the comprehensive form measures specific skills in spelling, mathematical computation and applications and reading comprehension and decoding. It also gives a criterion-referenced evaluation data that educators can use in analyzing the errors student make in each content area. The comprehensive form makes it possible to analyze the student’s weaknesses and strengths in all the areas tested. KTEA takes 60 to75 minutes to complete.
The California Achievement Test (CAT) is a standardized group test for kindergarten to grade 12 learners. It evaluates achievement in mathematics, language and reading areas and meets the state annual assessment requirements for private schools and homes schooling. CAT evaluates math concept and applications, math computation, sound and visual recognition for kindergarten only, vocabulary, language expression and mechanics. The test is available in different versions and editions and usually takes for 2 and a half hours to complete.
Peabody Individual Achievement Test is a multiple-choice standardized test used in assessing children with severe learning disabilities. It measures a student’s individual performance in the six subsets of general information, reading recognition, reading comprehension, written expression, spelling and mathematics. Schools administer it to kids in kindergarten up to those in 12th grade. The test contains 100 items measuring general knowledge and reading recognition, 82 items for reading comprehension and 100 multiple choice math questions. Written language skills are assessed in two stages, with level 1 testing pre-writing skills for kindergarten to grade one, while level two targets grade two to 12 students where they write a tale regarding a picture.