dependent variable

The dependent variable, or the variable being affected by the independent variable, is life span. independent variable. The type of fertilizer is the independent variable. Typical measures include time to complete a task and speed (e.g., words per minute, number of targets selected per minute). If the same experiment is repeated with the same participants, conditions, and experimental manipulations, the effects on the dependent variable should be very close to what they were the first time around. These should be objectively observable “Yes/No” questions whenever possible (did they use chopsticks), or objectively measured (number of feet the person is sitting from the nearest part of the buffet). (2008) in a comparative evaluation of three mobile phones used for gaming. Purchase Behavior: Whether or not a purchase is made ([] Purchases; [] Does not Purchase), How much is spent?


The dependent variable is "dependent" on the independent variable. The dependent variable is dubbed dependent because it is thought to depend in some way on the variations of the independent variable. By continuing you agree to the use of cookies. In this example, the scores on the math exams are the dependent variable and the classical music is the independent variable. The most frequently used accuracy measure is error rate. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. URL: https://www.sciencedirect.com/science/article/pii/B9780123735911500048, URL: https://www.sciencedirect.com/science/article/pii/B9780124058651000054, URL: https://www.sciencedirect.com/science/article/pii/B9780124166028000091, URL: https://www.sciencedirect.com/science/article/pii/B0080430767007543, URL: https://www.sciencedirect.com/science/article/pii/B9780128053904000029, URL: https://www.sciencedirect.com/science/article/pii/B978012373594200006X, URL: https://www.sciencedirect.com/science/article/pii/B9780444595287000041, URL: https://www.sciencedirect.com/science/article/pii/B9780128144954000052, URL: https://www.sciencedirect.com/science/article/pii/B0080430767006203, URL: https://www.sciencedirect.com/science/article/pii/B978012805349200011X, Quantitative Cross-national Research Methods, International Encyclopedia of the Social & Behavioral Sciences, Research Methods in Human Computer Interaction (Second Edition), Electronic Commerce Research and Applications.

9th ed. Even though your independent variable might be a number that you measure, it's one you control, so it's not "dependent". For example, in the formula for the area of a circle, A = πr 2, A is the dependent variable, as its value depends on the value of the radius (r). Subjective satisfaction describes the user's perceived satisfaction with the interaction experience. It may help to look at your hypothesis or purpose to remember your goal. Fig. The scientist might then conduct further experiments changing other independent variables -- gender, ethnicity, overall health, etc. An independent variable is not influenced by another variable. Consider four types of information that you should code: (1) Demographic and identification data, (2) environmental factors, (3) independent behaviors, and (4) dependent variables. Dependent variables represent the “output” value of a function, and are commonly denoted as y. The various stroke categories served as useful dependent variables in examining participants' usage patterns with the available acceleration aides. Environmental Factors. If you change one variable, which is affected? I. Scott MacKenzie, in Human-computer Interaction, 2013. Use letters to represent variables … Using the equation (y = kx), one can plot a graph that will yield a theoretical value for y when given any value for x, allowing one to accurately predict the affect the independent variable will have on the dependent variable.In order to have come up with the equation for what is now Boyle's Law, Boyle himself would have had to conduct a series of experiments that measured the effect that altering the independent variable (pressure) had on the dependent variable (volume). The data files in Figure 5.3 were created through the software that implements the user interface or interaction technique. What Are the Elements of a Good Hypothesis?
The dependent variable is "dependent" on the independent variable. For example, in a study looking at how tutoring impacts test scores, the dependent variable would be the participants' test scores, since that is what is being measured.

For more details, see our Privacy Policy. constant (stays the same) independent (it's what you change) dependent … A researcher or observer can be coached to better estimate heights and weights, or they could also use benchmarks (height marks on buffet lines or pressure sensitive mats).

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