In this learning activity you'll explore the differences between primary and secondary research.

In this learning activity you'll discover the functional differences between value and reference types within the .Net framework.

Learners read about the most common forms of financial statements including balance sheets, cash flow statements, and profit and loss statements. A brief quiz completes the activity.

Students read about the scientific method and the three main types of research. They enter their answers to questions on the screen.

The learner reads about the kinds of questions that are most effective to use on student questionnaires evaluating instruction. Generic evaluations are less helpful than evaluations focused on the specific types of instruction and learning expected in a content area. Sample questions are provided.

As a welder, you'll need to know how to convert between standard and metric measurements. Try this activity to practice converting between these two measurements. A conversion chart is provided to help you complete this work.

Atomic weights are used to convert the mass of a sample into the number of moles of the element in the sample and vice versa. Four examples are provided for practice.

Learners distinguish between competencies that are effective and robust, and those that are ineffective and weak. The learning object is designed for faculty who are writing or revising courses. It contains audio.

In this learning activity, you'll explore what malware is, what the different types of malware are, and how you can protect your computer from these threats.

In this screencast, you'll distinguish the differences between the content message and the relational message.

At the end of this lesson you will be able to

- Explain what biosecurity means.

- Describe why biosecurity is important.

- Identify what kinds of disease agents we try to prevent or control with biosecurity.

- Demonstrate disease agent-host-environmental interactions that result in disease.

Learn more about debugging including: what it is, why we use it, and what it looks like in action.

In this learning activity you'll discover what the .NET Framework is, what problems it solves, and how it came to be.

Students read about the phenomenon of people trying to do their best to be good subjects when participating in research.

In this learning activity you'll review different types of steel rules used in manufacturing.

Learners study an animation that shows how a battery charge reduces over time and when varying resistance values are placed in a series circuit. Ten review questions complete the activity.

Students view information taken from various sources and decide if the material is acceptable for a technical research report. After choosing whether or not the source material is acceptable, the students read an explanation from the instructor.

Explore what sexual harassment is, the three conditions that constitute harassing behavior, and the four levels of sexual harassment.

In this document you'll review basic types of drilling machines.

The Animal Welfare Act, or AWA, gives protection to animals used in research, education, and entertainment. Explore ethical use and some of the current alternatives in this module.