Basics Flashcards
Independent variable?
Is the factor being changed
Dependent variable?
Factor that changes becasue of the independent variable
Controlled variable ?
Are factors that are kept the same for the controlled and experimental groups
Uncontrolled variables are ??
Are not kept the same ( may have been overlooked or impossible to control)
Three types of errors, explaining about them
Human- mistakes
Systematic- occurs because the way the experiment is designed
Random- unpredictable and occur in all experiments
Placebo is a ?
Inactive substance that looks like the real medication
Placebo effect?
Patients who are given the placebo show improvement in their condition. If there is a difference between new drugs and placebo the researcher can say the new drug is effective
Purpose of a control group
To identify if the variable being tested actually affects the experiment
Qualitative
Observations and written results
Quantitive
Numerical values
List the five ethical problems during scientific research
- Voluntary participation
- Informed consent
- Risk of harm
- Confidentiality
- Anonymity
Hypothesis
Dependent and independent variable, if then statement