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Higher Study | Research Aptitude | Steps of Research

Which of the following is not a measure of dispersion?
Which of the following sampling methods is based on probability?
Given below are two statements Statement I: Power of a statistical test refers to its ability to reject the null hypothesis when it is incorrect Statement II: The value of standard deviation of a sample indicates its homogeneity/heterogeneity. In light of the above statements, choose the correct answer from the options given below
When we design the experiment in such a way that the variations caused by extraneous factors can all be combined under the general concept of "chance", it represents which principle?
Given below are two statements Statement I: Type I Error refers to the decision to reject the null hypothesis when it is incorrect. Statement II: Sampling error occurs due to the violation of the principle of random sampling. In light of the above statements, choose the correct answer from the options given below
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R  Assertion A: A proposition is a statement about observable phenomena (concepts) that may be judged as true or false.  Reason R: When a proposition is formulated for empirical testing, it is called a hypothesis.  In light of the above statements, choose the most appropriate answer from the options given below 
When a researcher rejects a true 'Null Hypothesis' (H0) in his/her study and accepts the 'Alternate Hypothesis' (H1), what type of error is likely?
Given below are two statements Statement I: In research, 'Null hypothesis' when rejected, offers the scope for accepting the alternative or substantive research hypothesis. Statement II: When the Null hypothesis is rejected, there will be chances for committing 'Beta' rather than 'Alpha' error. In light of the above statements, choose the most appropriate answer from the options given below
When the questions are presented to the respondents in a face-to-face situation and the interviewer rather than the subjects, fills out the query, it is called
When results obtained in a research study can be extended to a group larger than the sample (outside the context of the study) it is called?
When the researcher does not know the identity of the experimental and placebo groups, the study is termed as:
Match List I with List II List I List II Artifacts Description  A.  History  I.  Happens when subjects   are given similar pre-tests   and post-tests  B.  Maturation  II.  Subjects’ reactions to   experimental conditions  C.  Testing  III.  Occurance of various   events during a study  D.  Demand   characteristics  IV.  Biological and   psychological characters   changing during the course   of the study Choose the correct answer from the options given below:
A university teacher conducts research study where lecture-cum demonstration method is used to assess the effect on students' level of participation in terms of the socio-economic status (SES) of their family and its habitat. Which variable in this study will be called an independent variable? 
List I List II Sampling techniques used in research Description A. Simple random sampling I. The units are identified in terms of various specific features identified before drawing a sample structure B. Systematic sampling II. Each unit is given an equal independent chance of being picked up C. Dimensional sampling III. The k – interval is obtained by N/n and the units are drawn using the same, where N is population size and n is desired sample size. D. Snowball sampling IV. First member unit is used to identify the second unit and so on   Choose the correct answer from the options given below:
The values which explain how closely the variables are related to each one of the factors discovered are known as
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