What are the differences between testing intelligence and testing for knowledge? When might each approach be appropriate or inappropriate?

Testing Intelligence measures cognitive abilities, often used in standardized and norm-referenced test like IQ test. It is appropriate to use in identifying learners who may need support in special education or gifted and talented programs. It is more focused on research or psychological assessments. On the other hand, it is inappropriate in grading students and making academic decisions without considering context.
Testing Knowledge measures mastery of content or skills from learning outcomes aligned with curriculum. It is often in formative and summative assessment in schools. It is appropriate in assessing and assigning students'grades commonly use to show school accountability. On the other hand, it is inappropriate in diagnosing intellectual ability or learning potential.
In conclusion, Testing Intelligence focuses on learning potential while Testing knowledge focuses on learned content.


Example of an intelligence test using IQGeniuslab

Strengths - Visually appealing, quick quizzes (entertaining)
Weaknesses - lack scientific validity (no psychometric basis), misleading free test (results often require payment)