Students measure the light output and temperature (as a measure of heat output) for three types of light bulbs to identify why some light bulbs are more efficient (more light with less energy) than others.

Students learn how to find the maximum power point (MPP) of a photovoltaic (PV) panel in order to optimize its efficiency at creating solar power. They also learn about real-world applications and technologies that use this technique, as well as Ohm's law and the power equation, which govern a PV panel's ability to produce power.

Effect sizes are the currency of psychological research. They quantify the results of a study to answer the research question and are used to calculate statistical power. The interpretation of effect sizes—when is an effect small, medium, or large?—has been guided by the recommendations Jacob Cohen gave in his pioneering writings starting in 1962: Either compare an effect with the effects found in past research or use certain conventional benchmarks. The present analysis shows that neither of these recommendations is currently applicable. From past publications without pre-registration, 900 effects were randomly drawn and compared with 93 effects from publications with pre-registration, revealing a large difference: Effects from the former (median r = .36) were much larger than effects from the latter (median r = .16). That is, certain biases, such as publication bias or questionable research practices, have caused a dramatic inflation in published effects, making it difficult to compare an actual effect with the real population effects (as these are unknown). In addition, there were very large differences in the mean effects between psychological sub-disciplines and between different study designs, making it impossible to apply any global benchmarks. Many more pre-registered studies are needed in the future to derive a reliable picture of real population effects.

This course provides an exploration of colonial and postcolonial clashes between theories of healing and embodiment in the African world and those of western bio-medicine. It examines how Afro-Atlantic religious traditions have challenged western conceptions of illness, healing, and the body and have also offered alternative notions of morality, rationality, kinship, gender, and sexuality. It also analyzes whether contemporary western bio-medical interventions reinforce colonial or imperial power in the effort to promote global health in Africa and the African diaspora.

Negotiation and Conflict Management presents negotiation theory – strategies and styles – within an employment context. 15.667 meets only eleven times, with a different topic each week, which is why students should commit to attending all classes. In addition to the theory and exercises presented in class, students practice negotiating with role-playing simulations that cover a range of topics. Students also learn how to negotiate in difficult situations, which include abrasiveness, racism, sexism, whistle-blowing, and emergencies. The course covers conflict management as a first party and as a third party: third-party skills include helping others deal directly with their conflicts, mediation, investigation, arbitration, and helping the system change as a result of a dispute.
Learning and grading in 15.667 is based on: readings, simulations and class discussions, four self-assessments, your analysis of the negotiations of others, writing each week in your journal, and writing three Little Papers.

This seminar is a space for collaborative inquiry into the relationships between social movements and the media. We’ll review these relationships through the lens of social movement theory, and function as a workshop to develop student projects. Seminar participants will work together to explore frameworks, methods, and tools for understanding networked social movements in the digital media ecology. We will engage with social movement studies as a body of theoretical and empirical work, and learn about key concepts including: resource mobilization; political process; framing; New Social Movements; collective identity; tactical media; protest cycles; movement structure; and more. We’ll explore methods of social movement investigation, examine new data sources and tools for movement analysis, and grapple with recent innovations in social movement theory and research. Assignments include short blog posts, a book review, co-facilitation of a seminar discussion, and a final research project focused on social movement media practices in comparative perspective.

This seminar is a space for collaborative inquiry into the relationships between social movements and the media. We’ll review these relationships through the lens of social movement theory, and function as a workshop to develop student projects. Seminar participants will work together to explore frameworks, methods, and tools for understanding networked social movements in the digital media ecology. We will engage with social movement studies as a body of theoretical and empirical work, and learn about key concepts including: resource mobilization; political process; framing; New Social Movements; collective identity; tactical media; protest cycles; movement structure; and more. We’ll explore methods of social movement investigation, examine new data sources and tools for movement analysis, and grapple with recent innovations in social movement theory and research. Assignments include short blog posts, a book review, co-facilitation of a seminar discussion, and a final research project focused on social movement media practices in comparative perspective.

While current economic theory focuses on prices and games, this book models economic settings where harmony is established through one of the following societal conventions:

• A power relation according to which stronger agents are able to force weaker ones to do things against their will.
• A norm that categorizes actions as permissible or forbidden.
• A status relation over alternatives which limits each agent's choices.
• Systematic biases in agents' preferences.

These four conventions are analysed using simple and mathematically straightforward models, without any pretensions regarding direct applied usefulness. While we do not advocate for the adoption of any of these conventions specifically – we do advocate that when modelling an economic situation, alternative equilibrium notions should be considered, rather than automatically reaching for the familiar approaches of prices or games.

"Nuclear Power Plant Calculations" serves as a seamless continuation of the educational unit on "Introduction to Nuclear Reactors." This comprehensive resource is tailored for engineering students specializing in nuclear power, aiming to deepen their understanding of reactor dynamics and operational efficiency. Through structured lessons, learners explore fundamental concepts such as reactor power output, fuel efficiency, and core temperature regulation, building upon the foundational principles established in the previous unit. Practical problem-solving exercises are integrated throughout the resource, allowing students to apply theoretical knowledge to real-world scenarios.

Students learn and discuss the advantages and disadvantages of renewable and non-renewable energy sources. They also learn about our nation's electric power grid and what it means for a residential home to be "off the grid."

This course in organizational economics prepares doctoral students for further study in the field. The course introduces the classic papers and some recent research. The material is organized into the following modules: boundaries of the firm, employment in organizations, decision-making in organizations, and structures and processes in organizations. Each class session covers a few leading papers.
This course was joint-taught between faculty of the Massachusetts Institute of Technology and Harvard University. The Harvard course is Economics 2670 Organizational Economics.

Organizational Processes enhances students’ ability to take effective action in complex organizational settings by providing the analytic tools needed to analyze, manage, and lead the organizations of the future. Emphasis is placed on the importance of the organizational context in influencing which individual styles and skills are effective. The subject centers on three complementary perspectives, or “lenses”, on an organization: political, cultural, and strategic design. Students enrolled in this class are also jointly enrolled in 15.328, Team Project, in order to complete a field study of an organizational change initiative. Organizational Processes also operates in conjunction with 15.280, Communication for Managers, by sharing certain assignments and holding some joint classes.

Students engage in an interactive "hot potato" demonstration to gain an appreciation for the flow of electrons through a circuit. Students role play the different parts of a simple circuit and send small items representing electrons (paper or candy pieces) through the circuit.

This course explores the nature of love through works of philosophy, literature, film, poetry, and individual experience. It investigates the distinction among eros, philia, and agape. Students discuss ideas of love as a feeling, an action, a species of ‘knowing someone,’ or a way to give or take. Authors studied include Plato, Kant, Buber, D. H. Lawrence, Rumi, and Aristotle.
This course is part of the Concourse program at MIT.

Through a series of four lessons, students are introduced to many factors that affect the power output of photovoltaic (PV) solar panels. Factors such as the angle of the sun, panel temperature, specific circuit characteristics, and reflected radiation determine the efficiency of solar panels. These four lessons are paired with hands-on activities in which students design, build and test small photovoltaic systems. Students collect their own data, and examine different variables to determine their effects on the efficiency of PV panels to generate electrical power.

Student teams measure voltage and current in order to determine the power output of a photovoltaic (PV) panel. They vary the resistance in a simple circuit connected to the panel to demonstrate the effects on voltage, current, and power output. After collecting data, they calculate power for each resistance setting, creating a graph of current vs. voltage, and indentifying the maximum power point.

Students use potatoes to light an LED clock (or light bulb) as they learn how a battery works in a simple circuit and how chemical energy changes to electrical energy. As they learn more about electrical energy, they better understand the concepts of voltage, current and resistance.

IIII haaaave the powerrrr! Power is the rate at which work is done. Created by David SantoPietro.

The applets in this section of Statistical Java address Power. Users can perform one or two tailed tests for proportions or means for one or two samples. Set the parameters and drag the mouse across the graph to see how effect size affects power.

Using examples from anthropology and sociology alongside classical and contemporary social theory, this course explores the nature of dominant and subordinate relationships, types of legitimate authority, and practices of resistance. The course also examines how we are influenced in subtle ways by the people around us, who makes controlling decisions in the family, how people get ahead at work, and whether democracies, in fact, reflect the “will of the people.”