experimental variable


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Synonyms for experimental variable

(statistics) a variable whose values are independent of changes in the values of other variables

References in periodicals archive ?
While students in our college-level introductory biology courses for majors can list the steps of the scientific method, a majority are uncertain about designing a controlled experiment and fail to understand the impact of the experimental variables on the result of the experiment (Grunwald & Hartman, 2010).
The variables in the first three groups are our experimental variables for hypothesis testing.
To test for differential audit pricing, an experimental variable is added to the audit fee model to specify different groups of auditors.
From Table 2, one can see that there is a weak main effect attributable to the experimental variable N, F(4, 20) = 5.8, p = .014, and a strong main effect attributable to [DELTA]T, F(4, 20) = 30.3, p < .01, but there is no interaction, F(16, 80) = 0.25, p = .848.
This study employed a control-group factorial design, with the presence or absence of the intervention as the experimental variable (condition) and with content (social studies or science), classroom type (heterogeneous or homogeneous) and student type (mainstreamed or nonmainstreamed) as moderator variables.
The reliability of the Rorschach weighted color responses was used as the experimental variable to study r max, because a number of split-half reliability estimations already have been computed.
Table-6 represents the SNRL (level mean SNR) values of each experimental variable for each of its specified level, separately, for ultrasonic-assisted transesterification of cantaloupe seed oil.
The initial velocity of the reaction is the best indicator of the effect of an experimental variable. For a linear reaction, that is the slope of your C[O.sub.2] production graph, but for a second-order polynomial it is the coefficient of the linear term.
Although some differences did occur between the workshops, for all intents and purposes the length of the workshop became the experimental variable. Initially there was no difference found in outcome expectancy between the two models, although there was a significant change in outcome expectancy after the follow-up meeting four months later for Nevada Operation Chemistry.
When the experimental variable -- fertilizer tax -- is introduced to the model, resources such as labor and capital from the food and feed grain sectors move to the livestock and oilseed sectors.
The value of adjusted coefficient is noted to be 0.548 which depicts that % of unpredictability (55%) is due to experimental variables while only 45% due to other uncontrolled reasons.
[12] conducted a bending test considering the number of polybenzoxazole (PBO) fabric layers and the concrete compressive strength as experimental variables. The experimental test results were compared with the flexural strengths predicted by ACI 549 [14].
From the ANOVA analysis, two experimental variables of PMS solution dosage (A) and temperature (C) could produce interaction effect on S-removal.
However, keeping in view that this variety of Cucumis melo i.e, cantaloupe has not been reported earlier for the preparation of biodiesel, four different homogeneous basic catalysts were reported in literature that furnish maximum yield of biodiesel were also studied, along with three other experimental variables. Various experiments were carried out for finding an optimum set of conditions resulting in maximum biodiesel yield, varying one-factor-at-time reported by (Rashid et al., 2008a).
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