This work presents an eye-tracking and pupil size-measuring device that interfaces with a computer for applications useful in psychometry, ophthalmology, physiology and virtual reality (VR) systems. This system utilizes a change-coupled device (CCD) camera, appropriate lenses, PC with frame grabber and a DSP unit with various types of VR equipment, i.e., HMD, simulator or LCD projection device....

Calculating test validity as an instrument of educational achievement level determination, is one of the main research tasks, especially on a state level. The system of HEI admission must be based on the principles of fairness and openness. This can only be achieved by conducting systematic admission test result analysis both in the context of organization processes and within the assessment of...

OBJECTIVE to elaborate an instrument for the measurement of the interpersonal relationship in nursing care through the Item Response Theory, and the validation thereof. METHOD methodological study, which followed the three poles of psychometry: theoretical, empirical and analytical. The Nursing Care Interpersonal Relationship Questionnaire was developed in light of the Imogene King's Interper...

C3, 4' -Fz A sixty seven year old, retired steel worker said that his left arm did not seem to belong to him any longer and that it “did what it liked”. The problem had developed insidiously, and had been progressing for about 3 months. His examination confirmed deaVerentation of his left arm, impaired two point discrimination, astereognosis, and dysgraphaesthesia. Myoclonic jerks of his arm we...

Recent work in animals suggests that the extent of early tactile stimulation by parents of offspring is an important element in early caregiving. We evaluate the psychometric properties of a new parent-report measure designed to assess frequency of tactile stimulation across multiple caregiving domains in infancy. We describe the full item set of the Parent-Infant Caregiving Touch Scale (PICTS)...

Background: The SARI (Stigma Assessment and Reduction of Impact) project was designed to measure and then reduce the burden of the stigma of leprosy. Since there is no valid and reliable Persian version of this tool in Iran, this research aimed to translate this tool and study its psychometry. Methods and materials: After determining the face and content validity, construct validity was determi...

Background: Considering the important role of understanding the childbearing motivations in counseling services about childbearing behavior, and need for applying a valid and reliable instrument to assess it in Iranian society, this study was conducted to determine Childbearing motivation. Questionnaire was validated in two versions including Persian and English. The r...

BACKGROUND The globus sensation has been widely regarded as psychogenic, but organic disorders were found to be etiologically significant. OBJECTIVE To investigate the structural, functional, psychological, and psychiatric factors possibly eliciting the globus sensation and influencing its course. METHODS Eighty-eight patients, 67 women and 21 men (aged 22-71 years), referred to 2 tertiary ...

WHERE knowledge of a medical condition is incomplete, there is a danger that the results of ancillary aids, especially when expressed in numerical terms, may acquire an unwarranted appearance of infallibility. The post-concussional state provides a good example of this tendency, for, while the core of the problem remains obscure, the results of investigations which have only presumptive relatio...