The phrase "a control class" is correct and usable in written English.
It can be used in contexts related to research, experiments, or studies where a control group is necessary for comparison.
Example: "In our study, we included a control class to evaluate the effects of the new teaching method on student performance."
Alternatives: "a control group" or "a reference class".
In response, Prober and Heath point to a recent one-week study that compared the outcomes of two classes, a control class that received a lecture from a Nobel Prize-winning physicist and an experimental section where students worked with graduate assistants to solve physics problems.
For this purpose, a control class and three categories of toxicity were initially defined: cholestasis, steatosis, and direct acting.
Quite the opposite, you would need a control class that has as much as possible from the 'faces' class except the appearance of faces, probably several classes of distorted faces as well as your present control.
A parallel class is defined as a control class in the same grade as the intervention class, with the same performance level as the intervention class, and attending the same school as the intervention class.
Williams, 25, of Melbourne Road, Sheffield, pleaded guilty to supplying a controlled Class A drug.
Lavin, 21, of Kentmoor Close, Stockport, admitted supplying a controlled Class A drug and possession of cannabis.
Plutocracy / noun / plu·toc·ra·cy / plü-ˈtä-krə-sē: 1. government by the wealthy 2. a controlling class of the wealthy.
Commercially available ODN CpG 2336 (ODN class A), CpG 2243 (control class A), CpG 2395 (ODN class C) and CpG 2137 (control class C) were used (Coley Pharmaceutical, Kanata, Canada).
Skip to next paragraph Enlarge This Image Adam Ferguson for The New York Times Recruits at a riot control class.
Two glycemic control classes were identified: a poorer control class with higher means (all >7%) and higher within-subject variability in HbA1c and a better control class with lower means (all <7%) and lower within-subject variability.
Using a two-step analysis of 119 individuals with diabetes in the SALSA, we identified two distinct glycemic control trajectory classes based on seven repeated measures of HbA1c 6 months apart: a poorer control class with higher means (all >7%) and greater within-subject variability in HbA1c and a better control class with lower means (all <7%) and lower within-subject variability.
