[theory]

[Subject 1: Research Methods and Design]

PART 01 Scientific Research
CHAPTER 01 Statistical and Scientific Research
CHAPTER 02 The Logic of Scientific Research
CHAPTER 03 Analysis Units and Errors
Previous and predicted questions

PART 02 Investigation
CHAPTER 01 RESEARCH AND RESEARCH DESIGN
CHAPTER 02 Types of Research
CHAPTER 03 Subtypes of Experimental Design
Previous and predicted questions

PART 03 Qualitative Survey
CHAPTER 01 FGI Qualitative Survey
CHAPTER 02 In-depth Interview
Previous and predicted questions

PART 04 Questionnaire
CHAPTER 01 Analysis Design
CHAPTER 02 Questionnaire and Survey Items
CHAPTER 03 Question and Answer Format
Previous and predicted questions

PART 05 SAMPLE DESIGN
CHAPTER 01 SAMPLE DESIGN
CHAPTER 02 Sampling
CHAPTER 03 Sampling Error and Non-Sampling Error
CHAPTER 04 Sample Size
Previous and predicted questions

[Subject 2: Research Management and Data Processing]

PART 01 Data Collection Method
CHAPTER 01 Types of Materials
CHAPTER 02 Data Collection Methods
CHAPTER 03 Major Types of Data Collection Methods
CHAPTER 04 Response Errors (Response Distortion)
CHAPTER 05 Others
Previous and predicted questions

PART 02 Real-world management
CHAPTER 01 PREPARATION FOR THE FIELD
CHAPTER 02 Real-world Progress Management
CHAPTER 03 Quality Control in Real Life
Previous and predicted questions

PART 03 Validity and Reliability of Measurement
CHAPTER 01 Variables and Concepts
CHAPTER 02 Measurement
CHAPTER 03 Basic Concepts and Types of Scales
CHAPTER 04 Scale Construction Techniques
CHAPTER 05 Validity and Reliability of Measurement
CHAPTER 06 Measurement and Measurement Error
CHAPTER 07 Internal and External Validity (= Validity of Experimental Design)
Previous and predicted questions

PART 04 Data Processing
CHAPTER 01 Data Processing
CHAPTER 02 Coding
CHAPTER 03 Nonresponse and Missing Values
CHAPTER 04 Outliers
CHAPTER 05 Data Entry and Errors
CHAPTER 06 Coding Details
Previous and predicted questions

[Subject 3: Statistical Analysis and Application]

PART 01 Basic Statistics
CHAPTER 01 Statistics and Key Concepts
CHAPTER 02 Descriptive Statistics and Basic Statistics
Previous and predicted questions

PART 02 PROBABILITY AND PROBABILITY DISTRIBUTIONS
CHAPTER 01 Probability
CHAPTER 02 Random Variables
CHAPTER 03 Probability Distributions
Previous and predicted questions

PART 03 Estimation and Hypothesis Testing
CHAPTER 01 Estimation
CHAPTER 02 Hypothesis Testing in General
CHAPTER 03 Hypothesis Testing of Population Mean, Population Proportion, and Population Variance
Previous and predicted questions

PART 04 Statistical Analysis
CHAPTER 01 General Statistical Analysis
CHAPTER 02 Cross-Analysis
CHAPTER 03 Analysis of Variance
CHAPTER 04 Correlation Analysis
CHAPTER 05 REGRESSION ANALYSIS
Previous and predicted questions

Appendix: Statistical Tables

[Latest Past Questions]

3rd (CBT) in 2025
2nd CBT in 2025
1st CBT in 2025
3rd CBT in 2024
2nd CBT in 2024
1st CBT in 2024
2023 3rd (CBT)
2nd CBT in 2023
2023 1st (CBT)
2022 3rd (CBT)
2nd in 2022
1st in 2022

[Jungcheolbuk - Essential Notes You Must Bring to the Exam]

[Key Notes]

Subject 1: Research Methods and Design
Subject 2: Research Management and Data Processing

[Memorization Formula Note]

Subject 3: Statistical Analysis and Application

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