Experimental Design Vocabulary

ANSWER TO YOUR QUESTION. HYPOTHESIS A PREDICTION OF THE ANSWER TO YOUR QUESTION. OFTEN “IF, THEN”

WHAT THE INVESTIGATOR CHANGES. GRAPHED ON THE X AXIS INDEPENDENT VARIABLE WHAT THE INVESTIGATOR CHANGES. GRAPHED ON THE X AXIS

DEPENDENT VARIABLE WHAT IS BEING MEASURED. IT RESPONDS TO CHANGES THAT ARE MADE.GRAPHED ON THE Y AXIS.

The group that doesn’t get changed. It is used for comparison. CONTROL GROUP The group that doesn’t get changed. It is used for comparison.

GROUPS THAT HAVE THE INDEPENDENT VARIABLE APPLIED TO THEM. EXPERIMENTAL GROUPS GROUPS THAT HAVE THE INDEPENDENT VARIABLE APPLIED TO THEM.

CONSTANTS ALL THE FACTORS THAT ARE KEPT THE SAME IN AN EXPERIMENT (LIGHT LEVEL, TEMPERATURE).

TRIALS THE TIMES THAT YOU REPEAT YOUR EXPERIMENT. MORE IS BETTER, SINCE IT GIVES A BIGGER SAMPLE SIZE).

DATA TRENDS PATTERNS THAT YOU CAN SEE IN YOUR DATA, ESPECIALLY IN GRAPHS & DATA TABLES.