Model Answer: Research Problems, Questions, Objectives, and Hypotheses

Definitions

Research Problem

A research problem is a situation or issue that requires investigation and understanding. It is the starting point of any research endeavor: a gap in knowledge, an unexplained phenomenon, or a practical difficulty that motivates the researcher to conduct an inquiry. A well-defined research problem should be clear, significant, and researchable.

Research Questions

Research questions are specific inquiries formulated to guide the investigation of the research problem. They are precise, focused questions that the researcher seeks to answer through the study. Research questions break down the broad problem into manageable, answerable components and provide direction to the research process.

Research Objectives

Research objectives are the specific goals or aims that the researcher intends to achieve through the study. They state what the research will accomplish and define the scope of the investigation. Objectives are typically written as statements beginning with "to" (e.g., "to identify," "to analyze," "to determine") and should be measurable and achievable within the research scope.

Research Hypotheses

A research hypothesis is a tentative, testable prediction or proposed explanation about the relationship between variables in the study. It is an educated guess based on preliminary observations, existing theory, or literature review. Hypotheses are typically formulated for quantitative research and must be falsifiable, capable of being proven true or false through empirical testing.

Interrelationship

These four elements are interconnected in a hierarchical and logical sequence:

1. Problem → Questions: The research problem provides the foundation. Research questions are derived from and narrow down the problem into specific inquiries that can be systematically addressed.

2. Problem/Questions → Objectives: Research objectives translate the problem and questions into concrete, measurable goals. They specify what the research will accomplish to address the problem.

3. Questions/Objectives → Hypotheses: Research hypotheses are formulated based on the research questions and objectives, particularly in quantitative studies. They propose expected relationships or outcomes that will be tested.

4. Cyclical Relationship: All four elements must align and support each other. The hypothesis should directly address the research questions, which should collectively address the research problem, and all should contribute to achieving the stated objectives.

Example Flow:

• Problem: High dropout rates in online courses
• Questions: Why do students drop out? What factors influence retention?
• Objectives: To identify factors affecting student retention; to propose intervention strategies
• Hypothesis: Students with peer interaction support will have lower dropout rates than those without

This integrated framework ensures coherent, focused, and purposeful research.

Citation and Referencing Formats

Different Formats of Citation and Referencing

The main citation and referencing formats used in academic writing are:

1. APA (American Psychological Association) - Widely used in social sciences, psychology, education, and business
2. MLA (Modern Language Association) - Commonly used in humanities and literature
3. Chicago Style - Used in history, some social sciences, and humanities
4. Harvard Style - Used in UK universities and some social sciences
5. IEEE (Institute of Electrical and Electronics Engineers) - Used in engineering and computer science
6. Vancouver Style - Used in medical and scientific research

APA Format: Brief Discussion

APA format uses an author-date system where citations appear in parentheses in the text and full references are listed alphabetically in a "References" section at the end of the document.

Key Features of APA Format:

• In-text citation: (Author Year) or Author (Year)
• References section: Alphabetically ordered, hanging indent
• Capitalization: Sentence case for titles (only first word and proper nouns capitalized)
• Date emphasis: Publication year is prominent

APA Format Examples

1. Book Reference

Format:

Author(s). (Year). Title of book. Publisher.

Example:

Pressman, R. S. (2014). Software engineering: A practitioner's approach 
(8th ed.). McGraw-Hill Education.

In-text citation: (Pressman, 2014) or Pressman (2014) states that...

2. Journal Article Reference

Format:

Author(s). (Year). Title of article. Journal Name, Volume(Issue), page range. 
https://doi.org/xxxxx

Example:

Dijkstra, E. W. (1968). Go to statement considered harmful. 
Communications of the ACM, 11(3), 147-148. 
https://doi.org/10.1145/362929.362947

In-text citation: (Dijkstra, 1968) or According to Dijkstra (1968)...

3. Report Reference

Format:

Organization/Author. (Year). Title of report. Publisher or URL.

Example:

IEEE Computer Society. (2019). Software engineering code of ethics and 
professional practice. Retrieved from https://www.computer.org/

In-text citation: (IEEE Computer Society, 2019)

Summary Table