PUBH-6036 Public Health Research Methods Module 3 Assignment 1: Validated Scale Page 1 of 3Describe the primary concepts being explored. Identify levels of measurement for each item (categorical, ordinal, continuous). Evaluate reliability and validity of the scale. You will need to do research in scientific literature to evaluate findings from studies that have used this scale. Evaluate strengths and limitations of the scale. Explain changes that might be needed to use the scale in a developing versus a developed country. WHODAS 2.0 WORLD HEALTH ORGANIZATION DISABILITY ASSESSMENT SCHEDULE 2.0 Section 1. Demographic and Background Information Question Response 1 What is your sex? Female Male 2 How old are you now? ______ years 3 How many years in all did you spend studying in school, college, or university? ______ years 4 What is your current marital status? Never married Currently married Separated Divorced Widowed Cohabitating 5 What describes your main work status best? Paid work Self-employed, such as own your business or farming Non-paid work, such as volunteer or charity Student Keeping house/homemaker Retired Unemployed Other (specify) Section 2. Health Conditions Question Response 6 In the past 30 days, how much difficulty did you have in standing for long periods such