Bozeman Science
Experimental Questions
New ReviewIn this video Paul Andersen shows you how to asking questions in a mini-lesson on experimental questions. Two examples are included in the video and two additional examples are included in the linked thinking slides.
Bozeman Science
Experimental Design
New ReviewIn this video Paul Andersen shows you how to plan and carry-out investigations in a mini-lesson on experimental design. Two examples are included in the video and two additional examples are included in the linked thinking slides.
Bozeman Science
Evaluating Data and Design
New ReviewIn this video Paul Andersen shows you how to plan and carryout investigations in a mini-lesson on evaluating data and design. Two examples are included in the video and two additional examples are included in the linked thinking slides.
Bozeman Science
AP Biology Practice 3 - Formulate Questions
Paul Andersen explains how to formulate questions to guide discussions and investigations. He starts by describing the proper type of questions that should be asked in an AP Biology classroom. He gives four examples of questions that...
Bozeman Science
Practice 3 - Planning and Carrying Out Investigations
Paul Andersen explains how investigations are used by scientists to answer questions and by engineers to test designs. He delineates be investigative and observational science. He demonstrates the formation of a good question the design...
Crash Course
Sociology Research Methods: Crash Course Sociology
Today we’re talking about how we actually DO sociology. Nicole explains the research method: form a question and a hypothesis, collect data, and analyze that data to contribute to our theories about society.
Bozeman Science
AP Biology Practice 4 - Data Collection Strategies
In this video Paul Andersen describes the science practice of data collection. He begins with a brief description of science and the scientific method. He details concepts related to data collection in each of the four big ideas. He then...
Amoeba Sisters
Nature of Science
Explore the nature of science with The Amoeba Sisters. This video discusses why there is not just one universal scientific method as well as the importance of credible sources when researching. Vocab in experimental design including...
Bozeman Science
Planning and Carrying Out Investigations
In this video Paul Andersen explains how you can have your students plan and carry out their own investigations.
Bozeman Science
Enzymes
Paul Andersen explains how enzymes are used to break down substrates. The correct shape of the active site allows a key/lock fit between the enzyme and the substrate. The enzyme catalase is used to break down hydrogen peroxide. The...
Bozeman Science
A Beginner's Guide to Graphing Data
Paul Andersen explains how graphs are used to visually display data that is collected in experimentation. He describes five main types of graphs; line graph, scatter plot, bar graph, histogram and pie chart. He describes the important...
Crash Course
Psychological Research - Crash Course Psychology
So how do we apply the scientific method to psychological research? Lots of ways, but today Hank talks about case studies, naturalistic observation, surveys and interviews, and experimentation. Also he covers different kinds of bias in...
Bozeman Science
The Scientific Method
Mr. Andersen gives a brief description of the scientific method.
Curated Video
Statistics & Mathematics for Data Science and Data Analytics - ANOVA - Basics and Assumptions
New ReviewThis video illustrates the analysis of variance, where we will look at the use of this variance in our dependent variables.
Curated Video
Statistics & Mathematics for Data Science and Data Analytics - Logistic Regression
New ReviewThis video will look at logistic regression in detail, mainly used for classification problems with one or multiple independent variables.
Curated Video
Statistics & Mathematics for Data Science and Data Analytics - Polynomial Regression
New ReviewIn this lesson, you will learn to use polynomial regression when linear regression is not working well to report accuracy, using the Bayes information criterion.
Curated Video
Statistics & Mathematics for Data Science and Data Analytics - Multiple Linear Regression
New ReviewAfter learning about simple linear regression with two variables, we will now look at multiple linear regression using multiple variables.
Curated Video
Statistics & Mathematics for Data Science and Data Analytics - Coefficient of Determination
New ReviewLet's learn more about one significant measure to determine how well our regressions work using the coefficient of determination.
Professor Dave Explains
Special Second-Order Differential Equations: Cauchy-Euler, Nonlinear, and More
We've covered the basics regarding second-order differential equations and their solutions, for both linear homogenous and nonhomogenous differential equations. Now let's look at some special second-order types, such as Cauchy-Euler, and...
Curated Video
Current through an electromagnet
Pupil outcome: I can plan an experiment to test the strength of an electromagnet and explain how different factors affect the strength of an electromagnet. Key learning points: - The more turns of wire in the coil of an electromagnet,...
Curated Video
Checking understanding of scatter graphs
Pupil outcome: I can plot and interpret data points on scatter graphs. Key learning points: - Data is given as pairs of values. - The independent variable is placed on the horizontal axis. - Placing the independent variable on the other...
Professor Dave Explains
Classification of Differential Equations
Now that we know what differential equations are, we have to learn how to classify them. We have to know whether a DE is ordinary or partial, linear or nonlinear, homogenous or nonhomogenous, autonomous or nonautonomous. We have to be...
The Business Professor
Marketing - What is Experimental Research
This Video Explains Marketing - What is Experimental Research
The Business Professor
Variations in Assumptions - Sensativity Analysis
A sensitivity analysis is used to test how variations in specific factors affect an outcome. The assumptions employed as part of the situational analysis are generally based on historical information, hypotheical contexts, and constancy