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2nd Trinal Psychological Statistics Reviewer

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Questions and Answers

What is the primary purpose of sampling in research?

To randomly select participants without considering their representativeness
To intentionally exclude certain individuals or items from the study
To study the entire population without any exceptions
To select a representative subset of the population for analysis (correct)

Which of the following statements is true regarding the relationship between a sample and the population it represents?

The sample is always smaller in size than the population
The sample must be identical to the population in all aspects
The sample should accurately represent the characteristics of the broader population (correct)
The sample is chosen randomly, regardless of its representativeness

What is a potential advantage of studying a sample rather than the entire population?

Increased generalizability of the findings
Improved accuracy in representing the population
Elimination of potential sampling errors
Reduced time and resource requirements (correct)

Which of the following statements is true about the validity of findings obtained from a sample?

Validity depends on the representativeness of the sample (C) Signup and view all the answers

In research, what is the primary concern when selecting a sample from the population?

Ensuring the sample accurately represents the population (C) Signup and view all the answers

Which of the following statements best describes the relationship between sampling and generalizability?

Appropriate sampling techniques can enhance the generalizability of findings (A) Signup and view all the answers

Which statement accurately describes the relationship between reliability and validity in research?

Reliability is the repeatability, stability, and consistency in research findings, while validity refers to the extent to which a study accurately measures what it claims to measure. (D) Signup and view all the answers

What is the primary advantage of conducting a census over sampling in research?

A census typically offers higher reliability compared to sampling because it collects data from every member of the population, eliminating sampling error. (A) Signup and view all the answers

Which of the following statements accurately distinguishes between the targeted population and the sample population in research?

The targeted population refers to the entire group of individuals to which a study's findings are intended to be applied or generalized, while the sample population is the subset selected from the targeted population to participate in the study. (D) Signup and view all the answers

In the context of research, what is the difference between an elementary unit and a sampling unit?

An elementary unit is the smallest individual unit or element within the targeted population that is of interest to the researcher, while a sampling unit refers to the specific units or entities selected from the targeted population. (C) Signup and view all the answers

Which of the following is NOT a benefit of sampling in research compared to complete enumeration (census)?

Sampling offers higher reliability compared to complete enumeration because it collects data from every member of the population, eliminating sampling error. (B) Signup and view all the answers

In the research title 'The Effectiveness Of A New Educational Program Designed to Improve Reading Skills In College Students in Koronadal City,' which of the following accurately identifies the targeted population and the sample population?

The targeted population is all elementary school students in Koronadal City, and the sample population is students from two or three colleges (NDMU, SAC, and RMMC) within Koronadal City. (B) Signup and view all the answers

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