Question 1

Which of the following best describes the primary difference between quantitative and qualitative research?

Accepted Answer

Quantitative research uses numerical data and statistical analysis, while qualitative research focuses on understanding meaning and context.

Question 2

A researcher wants to determine if a new teaching method improves student test scores. Which type of research design is most appropriate for this scenario?

Accepted Answer

Experimental research design

Question 3

Which of the following is NOT a commonly used measure of central tendency?

Accepted Answer

Standard deviation

Question 4

A sample is selected from a population using a process where every member has an equal chance of being chosen. What is this process called?

Accepted Answer

Random selection

Question 5

Which formula correctly represents the calculation of the mean ($$\mu) $$for a set of $$n$$ values $$x_1$$, $$x_2$$, ..., x_n$$?

Accepted Answer

$$\mu = \frac{\sum_{i=1}^{n} x_i}{n}$$

Question 6

A researcher is reviewing literature to support a research proposal. Which of the following is NOT a recommended step in conducting a literature review?

Accepted Answer

Ignoring contradictory evidence

Question 7

Which of the following best defines 'reliability' in measurement?

Accepted Answer

The consistency of a measurement when repeated under identical conditions

Question 8

A teacher wants to compare the test scores of two different classes to see which class performed better. Which statistical measure would be most appropriate to compare the average performance?

Accepted Answer

Mean

Question 9

Which of the following is a correct formula for calculating the standard deviation ($$s) of a $$sample with $$n$$ values $$x_1$$, $$x_2$$, ..., x_n$$ and sample mean $$\bar{x}$$?

Accepted Answer

$$s = \sqrt{\frac{\sum_{i=1}^{n} (x_i - \bar{x})^2$}{n-1}}$$

Question 10

Which of the following best describes 'validity' in the context of educational research measurement?

Accepted Answer

The degree to which a test measures what it claims to measure

Question 11

A researcher is designing a study and wants to ensure that the results can be generalized to the entire population. Which of the following is most important to achieve this goal?

Accepted Answer

Using random selection

Question 12

Which of the following is an example of a hypothesis appropriate for a quantitative research proposal?

Accepted Answer

Students who receive daily feedback will have higher test scores than those who do not.

Question 13

Which of the following is a key characteristic of a good research problem statement?

Accepted Answer

It is specific, focused, and researchable.

Question 14

A student is preparing a reference section for a research proposal using APA style. Which of the following is a correct format for a book reference?

Accepted Answer

Author, A. A. (Year). Title of book. Publisher.

Question 15

Which of the following best describes the purpose of a literature review in a research proposal?

Accepted Answer

To provide a comprehensive overview of existing research related to the problem

Question 16

A teacher is interested in the relationship between students’ study time and their exam scores. Which statistical method is most appropriate to analyze this relationship?

Accepted Answer

Correlation analysis

Question 17

Which of the following is an example of a variable that could be measured in an educational research study?

Accepted Answer

Student test scores

Question 18

A researcher wants to estimate the reliability of a test. Which of the following procedures is most appropriate?

Accepted Answer

Administering the test twice to the same group and comparing the scores

Question 19

Which of the following best describes the concept of 'range' in a data set?

Accepted Answer

The difference between the highest and lowest values in the data set

Question 20

A student is asked to distinguish between random selection and random assignment. Which of the following statements is correct?

Accepted Answer

Random selection refers to how participants are chosen from the population, while random assignment refers to how participants are placed into groups within the study.

Foundations of Educational Research: Course Syllabus and Study Guide

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드