Telegram group: T.me/BBCNOUN ====== NSC411 ====== 1. Data which can be assigned to categories of an attribute that can be ranked are measured on which scale? Nominal scale --->> Ordinal scale Interval scale Ratio scale 2. The lowest/weakest level of measurement is: Ordinal scale Interval scale --->> Nominal scale Ratio scale 3. Three of the methods of unit selection in simple random sampling are stratified sampling, quota sampling and accidental sampling. area sampling, multi-stage sampling and purposive sampling --->> lottery method, computer method and random numbers method cluster sampling, panel studies and accidental sampling 4. Which of the following is true about the relationship between reliability and validity? There is no relationship between the two ideas As reliability increases, validity decreases If a measure is reliable, it will be valid --->> Unless a measure is reliable, it cannot be valid 5. Which of the following is NOT true about test-retest reliability? --->> It is used to assess the consistency of results of two tests constructed in the same way from the same areas. The same test could be administered to the same sample on two different occasions. The interval between the two tests matters; and the shorter the gap, the higher the correlation. It is used to assess the consistency of a measure from one time to another. 6. You recently had your blood drawn and had a hemoglobin of 13.5 g/100 ml. This would be which level of measurement? --->> Nominal scale Ordinal scale Interval scale Ratio scale 7. If you were comparing the difference between a temperature of 70 and 80 degrees and 30 and 40 degrees, this would be an example of which type of measurement? Nominal scale Ordinal scale --->> Interval scale Ratio scale 8. The extent to which the same results are obtained on repeated administrations of the instrument is termed as: Validity --->> Reliability Sensitivity Triangulation 9. The ability of the data collection instrument to measure what it is meant to measure is what is referred to as Reliability Serendipity Bracketting --->> Validity 10. You are developing an instrument to measure nurses' attitudes toward AIDS. You prepare the instrument and send it out to 25 experts in the field to examine and give you feedback on the instrument. This would be considered a form of: --->> Content validity Face validity Criterion validity Construct validity