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Which one of the following statements is correct about homogeneous test
1. Validity is dependent upon reliability
2. Reliability is dependent upon validity
3. Reliability and validity are contradictory
4. Poor reliability yields high validity
Select your answer:
Which of the following reliability techniques are used in qualitative research? A. Diachronic reliability B. Quixotic reliability C. Synchronic reliability D. Holsti's constant E. Chronbach's alpha Choose the correct answer from the options given below:
In an opencast mine with shovel-dumper combination have 1 shovel and 6 dumpers. The reliability of the shovel is 0.9 and all the dumpers have equal reliability of 0.8. What is the system reliability?
In the question below, are given a statement followed by three courses of actions numbered I, II and III. On the basis of the information given, you have to assume everything in the statement to be true, and then decide which of the following suggested courses of actions logically follow(s) for pursuing. Statement: Top lenders to power projects including State Bank of India, Punjab National Bank, Power Finance Corp and others have agreed to decide the fate of a dozen stressed assets totaling about 13,000 MW by October 10. At a meeting between lenders and top government officials late on Thursday, large lenders explained risks of moving power projects to insolvency court to disagreeing banks, most of which have smaller exposures, and sought to arrive upon a decision before the set deadline. Courses of action: I. Lenders were informed about rising electricity demand and measures being proposed by the high level empowered committee that is working to address issues related to fuel, discom payment delays and regulatory approvals.  II. Banks with lesser exposure to stressed assets in power sector have been asked to come together and decide either to agree with the resolution plan or refer the projects to bankruptcy court rather than dilly-dallying. III. However, if the resolution plans are decided, it can create a favorable ground before the court to salvage at least some of these good operational assets from insolvency proceedings.
Which of the following statement are true from reliability for a research tool? (a) Reliability is fixed for a given testing tool (b) It is correlation of scores on the testing tool itself (c) Reliability can have negative value (d) It varies from sample to sample (e) It is affected by variance of scores Choose the correct option:
With reference to the World Bank's Ease of Doing Business Report, which of the following statement(s) is/are correct ? 1. In Ease of Doing Business Report 2020, India's rank is 63. 2. India's ranking for Ease of Doing Business in the year 2019 was 77.
Which of the following statements about reliability of a test are correct? (i) Reliability is fixed for a given test. (ii) It is a correlation of the test with itself. (iii) It varies from sample to sample. (iv) it is not affected by the size of the sample (v) High reliability ensures high validity
A system consists of four components in series with two components having reliability of 0.9 and two others having reliability of 0.8 at the end of one year. What is the system reliability at the end of one year?
A system consists of four components in parallel with two components having reliability of 0.9 and two others having reliability of 0.8 at the end of one year. What is the system reliability at the end of one year?
Test-retest reliability and internal consistency reliability express reliability in terms of the