Understanding Economics: Principles, Divisions, and Schools of Thought
Economics: Is the science that studies how society uses scarce resources available to produce and efficiently distribute goods and services that satisfy human needs.
Key Features of Economics:
- It is a social science as it seeks to solve economic problems in society.
- It addresses the science of scarcity, where real human needs are insufficient, highlighting the basic problem of scarcity in economics.
- It involves the science of choice, recognizing that resources are scarce while needs are unlimited. We
Understanding Verses, Poems, and Lyrical Forms
The verses are metrical combinations that have a fixed structure on the number of lines, their extent, the kind of rhyme, and its distribution.
Key Verse Forms:
- Couplet: Two lines of stanza art more or less together in rhyming assonance or consonant. AA, aa.
- Trio: Stanzas three major art verses that rhyme in a consonant according to different patterns. It is often presented as a series enshrined for the rhyme (Tercets Chains).
- Quartet: Four-line stanza rhyming major art in a consonant.
A poem is a complete
Read MoreNelson Mandela: Life, Imprisonment, and Legacy
Nelson Mandela: A Brief Biography
When and Where Was Nelson Mandela Born?
He was born on July 18th, 1918, in the South African village of Mvezo.
How Many Wives Did Chief Gadla Mandela Have?
Chief Gadla Mandela, Nelson’s father, had four wives.
Who Was Buti?
“Buti” was Nelson Mandela’s nickname. His older sisters called him that.
Why Did His Family Move to Qunu?
Chief Mandela didn’t follow a white government worker’s orders, so he lost his job and all his money. Nelson and his family had to move to Qunu.
Read MoreIntegers, Fractions, and Measurement in Primary Education
Integers in School
The study of integers is justified in primary education due to their presence in everyday life (temperatures, bank accounts, elevators…).
Difficulties Students Face Manipulating Signed Numbers
Working with signed numbers means breaking with the traditional understanding of numbers as simply representing a measurement or absolute magnitude. In this context, zero indicates the absence of magnitude, making the concept of numbers less than zero challenging. Addition is associated with
Read More18th Century: Transformations to the Modern World
Historical Background
The eighteenth century represents the culmination of all the transformations that led to the modern world and set the stage for the contemporary revolutions at the end of the century. From the fifteenth century, national governments were organized as absolute monarchies. A stratified society persisted, and the economy remained largely agricultural. Political tensions in the Old Regime were accentuated with the rise of the bourgeoisie as a class. The development of mercantile
Read MoreUnderstanding Key Statistical Concepts and Theorems
Law of Large Numbers
If you take samples of larger and larger size from any population, then the mean (x̄) of the sample tends to get closer and closer to μ (the population mean).
Sampling Distribution
The sampling distribution of the mean approaches a normal distribution as n (the sample size) increases.
Central Limit Theorem
The larger the sample size, the more normal the distribution will be.
Standard Error
The standard error is the standard deviation of the distribution of the sample means. T-distributions
Understanding Data Transmission: Simplex, Half-Duplex, Full-Duplex & Wiring
Data Transmission Modes and Network Cabling
Simplex data transmission is performed in one direction, from a transmitting station to a receiving station. This typically corresponds to a terminal as the origin and a central computer as the destination, or a computer as the origin and a printer or display terminal as the destination.
Half-Duplex Transmission
Half-duplex transmission allows data to be sent in both directions, but not simultaneously. Devices connected in this mode act as both sender and
Read MorePre-Renaissance Spanish Literature: Romancero & Poetry
Pre-Renaissance Spanish Literature
Romancero Viejo
Romancero Viejo (Old Romancero) refers to the epic-lyric compositions that arose from the fragmentation of ancient songs of chivalry. From the late fourteenth century, they were transmitted orally. Authors collected and included them in Cancioneros and Romanceros. From these Romanceros, Cervantes and Góngora made new or artistic ballads; they are written and transmitted outside the oral tradition and are of a more refined nature.
Themes
- Historical-
Understanding Ethics: Foundations, Dilemmas, and Origins
Understanding Ethics
What is Ethics?
Etymologically, the word “ethics” has roots in two Greek words:
- Ethos, meaning custom, habit, or use.
- Another word meaning dwelling or usual place of residence, but also character, way of being, feeling, and thinking.
Its meaning is equivalent to “moral” (as often done). In a narrower sense, we understand the ethical way of being human, of living in the world, to be at the core of our existence. In this manner, we differ from all other beings in the world in at least
Read MoreThe First Carlist War: Dynastic Conflict and Political Shifts
Dynastic Conflict in Spain (1830s)
In 1830, the birth of King Ferdinand VII’s daughter, Isabel (Elizabeth), seemed to guarantee the continuity of the Bourbon dynasty. However, the Salic Law, which prevented women from inheriting the throne, complicated matters. Ferdinand, influenced by his wife Maria Cristina, repealed the Salic Law through the Pragmatic Sanction, opening the way for his daughter to become his heir.
Carlos, Ferdinand’s brother, refused to accept this new situation. Supporters of Carlos
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