Bio 100 Exam 1 Latest Update Graded A+

Bio 100 Exam 1 Latest Update Graded A+ **Parts of the Scientific Method** Observation, Problem and Question Formulation, Hypothesis Development, Experimentation and Observation, Data Collection and Analysis, Conclusion Drawing, Theory Formulation **Observation** "My roommate observed that students in Biology 200 often smile during lab sessions." **Problems and Questions** "What class at Minnesota State Mankato is considered the most exciting?" **Hypothesis** "Biology 100 is the most exciting class at Minnesota State Mankato." **Experimentation and Observation** "Graduating seniors at Minnesota State Mankato were surveyed to determine the most exciting class they took." **Data Collection and Analysis** "Surveys collected over the past 20 years show that 99.9% of graduating seniors believe BIO is the most exciting class at Mankato." **Conclusions** "It is highly likely that you will find BIO very exciting as well." **Theories** An explanation for a natural phenomenon that is widely accepted by the scientific community as being close to the truth. **Questioning** The process of identifying and stating a problem or asking a question, which must be understandable, feasible, testable, and falsifiable. **Characteristics of a Good Hypothesis** An educated guess or possible explanation for observed facts that can be tested through experiments. It must be specific and testable. **Scientific Theory** A well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experimentation. **Observation** Gathering information through the senses. **Subject Expectation** When a research subject's expectations unconsciously affect the outcome of an experiment. **Observer Bias** When observers' knowledge of the study's goals or hypotheses influences their observations. **Double-Blind Experiment** An experiment in which neither the participants nor the researchers know who is in the control group and who is in the test group. **Random Assignment** Randomly assigning subjects to different treatments in an experiment. **Controlled Variable** Quantities that a scientist aims to keep constant during an experiment. **Independent Variables** The values that are manipulated and controlled in an experiment. **Dependent Variable** The variable that is measured and affected during the experiment. **Sample Size** The number of observations in a study or experiment. **Generalization**