2,355 search results
Data analysis: hypothesis testing
Science, Maths & Technology

Data analysis: hypothesis testing

...Publications...Data analysis: hypothesis testing: Acknowledgements - This free course was written by the B126 Open University course team. Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence. The material acknowledged below is Proprietary...
View course Data analysis: hypothesis testing
Level 1: Introductory 9 hrs
Introduction to music theory 2: pitch and notation
History & The Arts

Introduction to music theory 2: pitch and notation

...public circulation. Thus, performances may stray significantly from an ideal without seeming to be out of tune (that is, too sharp or too flat), even to insider experts. Second, instrument makers in some traditions deliberately manipulate octaves and/or unisons to be slightly and pleasingly out of tune. Builders of gamelan ensembles in central Java, the most populous...
View course Introduction to music theory 2: pitch and notation
Level 1: Introductory 8 hrs
The moral equality of combatants
History & The Arts

The moral equality of combatants

...public; and so long as they are only doubted, most men will be persuaded (by arguments something like Vitoria’s) to fight. Their routine habits of law-abidingness, their fear, their patriotism, their moral investment in the state, all favor that course. Or, alternatively, they are so terribly young when the disciplinary system of the state catches them up and sends them...
View course The moral equality of combatants
Level 3: Advanced 16 hrs
Climate change: island life in a volatile world
Society, Politics & Law

Climate change: island life in a volatile world

...health of lagoon ecosystems and a decline in their organic productivity. The cooling and the increased storminess during the AD 1300 Event would have exacerbated many of the effects described above, largely through increasing stress on various food-producing ecosystems. It is thought that within 100 years of the AD 1300 Event, the food resources readily available to...
View course Climate change: island life in a volatile world
Level 2: Intermediate 15 hrs
Introduction to ecosystems
Science, Maths & Technology

Introduction to ecosystems

...health of the forest depends on fungus – decaying branches and leaf litter are rich with nutrients, and fungi can ferry these back to living plants. Unearthing the woodwide web NARRATOR Luxurious timber in the luxuriant rain forest. Economics inextricably bound with ecology. Now, biologists are unearthing a new set of relationships fundamental to the forest. Lessons...
View course Introduction to ecosystems
Level 1: Introductory 12 hrs
Design
Science, Maths & Technology

Design

...public in the form of consumers) to the diagram. Our earlier spiral diagrams did not say who was doing what. Also, the spiral for the kettle development has no end. Design modifications will continue after the kettle is launched because of feedback from customers. SAQ 6 Consider the development of the plastic kettle, as discussed above. Construct and label a spiral...
View course Design
Level 1: Introductory 28 hrs
Sound for music technology: An introduction
Science, Maths & Technology

Sound for music technology: An introduction

...public address systems when the volume is too high and the microphone picks up sound from the loudspeaker. Here, at one particular frequency, there is an exact phase shift of 360 degrees between the microphone and sounds returning to the microphone from the loudspeaker. There is thus reinforcement, and under the right conditions a sine wave with a continually growing...
View course Sound for music technology: An introduction
Level 1: Introductory 20 hrs
Exploring communications technology
Digital & Computing

Exploring communications technology

...public switched telecommunications network (PSTN) initially devised for telephony. The PSTN now carries much more than telephony. Parts of it have become essential infrastructure for carrying data as well as voice. In addition, there are newer networks such as those created for mobile telephone and data services. A useful structural division of these networks is as...
View course Exploring communications technology
Level 2: Intermediate 10 hrs