》Experimental Method Flashcards
Key Features of Any Experiment?
• To investigate differences between conditions (experimental and control)
• Manipulation and Measurement of Variables
• To test a hypothesis
• To establish cause and effect.
What’s the Purpose of an Aim?
• To identify what variables the study is investigating
• To explain the outline & purpose of the study: what researchers are trying to achieve / find out.
What is an Independent Variable?
What the researcher manipulates in the experiment.
What is a Dependent Variable
This is what the researched measures in the experiment
What is an Experimental (Alternative) Hypothesis
This is a prediction about the expected outcome of the experiment. It is written as a precise, and testable statement.
NULL Hypothesis
This is the hypothesis the researcher is trying to disprove. It states that the results will not be significant in terms of suppory supporting the idea being investigated