Notes, summaries, assignments, exams, and problems for Other subjects

Statistical Methods in Social Research

Statistical methods are essential in social research, as they help in organizing, analyzing, and interpreting large amounts of data in a clear and scientific way. Social phenomena—such as population, income, education, and behavior—involve complex data, and statistical tools make it easier to understand patterns and relationships.

Measures of Central Tendency

Measures of central tendency, such as the mean, median, and mode, are used to find the central or average value of the data:

• Mean: Provides the overall average by adding all values and dividing by the total number; however, it can be affected by extreme values.
• Median: The middle value in an ordered dataset; it is more reliable when there are very

Understanding the Characteristics of Big Data

Big Data refers to extremely large and complex datasets that cannot be processed using traditional data processing tools. It requires advanced technologies for storage, processing, and analysis.

The 5 Vs of Big Data

• Volume: Refers to the huge amount of data generated from various sources like social media, business transactions, and mobile devices. Example: Facebook and YouTube generate massive data daily.
• Velocity: Refers to the speed at which data is generated and processed. Many applications require real-time data processing. Example: Online transactions and live streaming.
• Variety: Refers to different types of data such as structured, semi-structured, and unstructured data. Example: Text, images,

Benchmarking and Metrics in Software Development

Benchmarking Definition: Benchmarking is the process of comparing software performance or quality against industry standards to identify improvement areas.

Metrics Definition: Metrics are measurable values used to assess the quality, performance, or progress of software development and testing activities.

• Purpose of Benchmarking: It helps organizations understand their position relative to competitors and adopt better practices for improvement.
• Purpose of Metrics: Metrics provide quantitative data that supports decision-making, monitoring, and controlling the software process.
• Relation Between Both: Benchmarking uses metrics as a basis for comparison, making metrics essential for effective benchmarking.

Pricing Strategies and Techniques

Cost-Based Pricing Techniques

• Cost Plus Pricing: Price = Total Cost + Markup.
• Marginal Cost Pricing: Ignores fixed costs; based on marginal cost and contribution.
  • Merits: Efficient pricing guidance, useful across product life cycles.
  • Demerits: Complex for accountants; not useful with fluctuating costs.

Objective-Based Pricing

• Target Return Pricing: Price set to achieve a desired Return on Investment (ROI).
• Profit Maximization: Price = Cost + Profit margin.
• Sales Maximization: Focus on maximizing sales volume.

Competition-Based Pricing

• Penetration Pricing: Low initial price to capture market share.
• Going Rate Pricing: Price set based on industry levels.
• Limit Pricing: Low price to discourage new competitors.

Accounting Concepts

Organizational Justice and Equity Theory

Equity theory is a narrow extension of exchange theory. Organizational justice involves making and communicating decisions that are perceived as fair. There are three primary types of justice:

• Distributive justice is concerned with outcome fairness, determined by standard allocation such as equity (付出多少收获多少 - effort and reward), equality (人人平等 - everyone is equal), or need.
• Procedural justice is concerned with process fairness, including adherence to rules to ensure everyone is heard (确保每个人都被听到). It ensures that the decision is unbiased and based on full, accurate information. Procedural justice can compensate for a lack of distributive justice.
• Interactional justice

Fundamentals of Organizing and Management

• Organizing: To structure or reform something to reach a goal by coordinating people and resources.
• Organization: A method to set order in life or a company.
• Organize: To prepare by arranging everything necessary.
• Administrative function: Structures human, financial, and material resources to achieve planning goals.

Henri Fayol’s Five Functions of Management

Henri Fayol, known as the Father of Modern Management, saw management as a universal process and focused primarily on the top management level.

The Five Functions of Management

1. Planning: Setting goals and actions.
2. Organizing: Arranging resources.
3. Commanding: Leading and supervising.
4. Coordinating: Harmonizing efforts.
5. Controlling: Monitoring and correcting.

Adam Smith and the Foundations of Productivity

Adam Smith laid out the fundamentals of labor specialization in the 18th century. Productivity is defined as the ratio of output to factor of input. To calculate the percentage change in productivity, use the formula: (New System - Current) / Current = %.

Productivity Measurement and Quality Issues

• Quality: Quality may change while quantity or output remains constant.
• External Elements: External factors may distort measurement accuracy.
• Units: Precise and consistent units of measurement may be lacking.

Ten Strategic Operations Management Decision Areas

1. Design of goods and services
2. Managing quality
3. Process and capacity design
4. Location strategy
5. Layout strategy (facility arrangement)
6. Human Resources and job design
7. Supply

What is Business Optimization?

Business Optimization (BO) involves leveraging technologies and data-driven approaches to achieve improvements while minimizing costs and resources.

Subjective Elements in Business Optimization

While Business Optimization capitalizes on AI algorithms, it also gives due credence to non-quantifiable aspects of AI. These unquantified concepts are subjective. The acknowledgment and insertion of the subjective element in the optimization of business processes are crucial.

Human vs. Machine Intelligence

Machines are very good at mimicking human functions. Gaming, autonomous driving, robotic surgery, and medical diagnostics are all capabilities that machines can handle well. Computers are phenomenally better at undertaking...

Development and Training

Training equips employees with skills for current roles and future challenges. Development is broader, fostering flexibility and long-term growth.

Training benefits include increased productivity, better decision-making, and higher satisfaction. It can be tailored by:

• Purpose: Onboarding, career growth
• Method: On-the-job, group
• Audience: Managers, employees

Development also includes career planning to align personal goals with organizational needs.

Performance Evaluation

Evaluation assesses how well employees meet job requirements, supports decision-making for compensation, promotion, or training, and aligns with strategic goals.

There are three primary types:

• Results-based: Quantitative performance
• Attitudinal: Behavioral assessment
• Potential-

Pentagrowth Model for ESIC University

Connect Network: Social, Mobile, and Things

Level: Social & Mobile

ESIC engages through platforms like LinkedIn, Instagram, and Moodle, offering mobile tools for learning and career services. Improvement: Add AI-based course suggestions and networking features within the mobile app.

Collect Inventory: Centralized and Distributed

Level: Centralized & Distributed

Content and resources are centralized, while partnerships and student initiatives add a distributed layer. Improvement: Expand real-world, company-driven course projects.

Empower Users: Roles and Production

Level: Users & User-Producers

Students engage in learning, research, and content creation through blogs, clubs, and projects. Improvement: