Biology · Anthropometry

Which of the following statements regarding the characteristics and methodology of skinfold thickness measurement are correct? I. The procedure involves pinching the skin and the underlying layer of subcutaneous fat using a specialized caliper. II. Readings are recorded in millimeters to estimate body fat percentage and monitor obesity levels. III. The method is valued for being inexpensive and portable, making it suitable for field-based assessments. IV. The accuracy of the measurement is standardized such that it does not require a highly trained examiner for reliable results. Choose the most appropriate answer from the options given below: