the group of subjects in a controlled study that received no treatment, a standard treatment or a placebo.
A group of experimental subjects that is the subject of measurement and observation but is not exposed to the experimental intervention.
In an experiment, the group that is not exposed to the independent variable.
group of participants in a study to whom no treatment is administered; used as a comparison to the group that receives treatment.
Those in an experiment for whom the independent variable is not manipulated, thus forming a baseline against which the effects of the manipulation of the experimental group can be evaluated.
Subjects with whom comparison is made in a case-control or other epidemiologic study. Selection of appropriate controls is crucial to the validity of epidemiologic studies.
A group of subjects which have not been exposed to an intervention. The control group should resemble the programme group (the subjects which have been exposed to the intervention), so that systematic differences between the two groups may be attributed to the effects of the intervention once other plausible alternative hypotheses have been eliminated or discounted. See also counterfactual situation, evaluation design, intervention logic, programme group.
In an experiment, a group of people who are similar to the people in the experimental group but who do not receive the treatment whose effects are to be measured. The results obtained with the control group are compared with the results obtained with the experimental group.
a group of individuals whose characteristics are similar to those of your program participants, but do not receive the program you are evaluating; individuals are randomly assigned to either the treatment (program) or control group.
A group of SUBJECTS who receive no TREATMENT. The control group provides the researcher with a means of evaluating the effects of the treatment by comparing the TREATMENT GROUP and the control group after the treatment has been received.
group of subjects which provides a baseline against which the treatment effect is measured; this group is often defined by exclusion (e.g., users of CVW without audio)
In studies of causation in a population, a sample of the target population whose members are not exposed to C (or known not to display E). In all other respects, the members of the control group are treated exactly like the members of the experimental group.
the subjects in an experiment who are not exposed to the experimental condition of interest. 47
The people being studied who are not getting the treatment or other “intervention”/change that the people in the “experimental” group are getting; for example, in a study testing a medication, the control group would not take the medication. CORD – See “constituency-oriented research and dissemination.
A group of people which is used as a cross-reference check for a sample group.
participants in a clinical trial who are receiving placebo or current standard of care for comparison to those receiving the new therapy being evaluated
A group whose characteristics are similar to those of the program but who do not receive the program services, products, or activities being evaluated. Participants are randomly assigned to either the experimental group (those receiving program services) or the control group. A control group is used to assess the effect of program activities on participants who are receiving the services, products, or activities being evaluated. The same information is collected for people in the control group and those in the experimental group.
Comparison group consisting of eligible people or organisations which have been excluded from all participation in the intervention by a process of random selection. Apart from its non-participation in the intervention, the control group is, from every point of view, comparable to the group of participants. It has also been exposed to the same variations in the socio-economic context (confounding factors). When a group of participants and a control group are compared, the influence of confounding factors is the same on both sides (provided the two groups are large enough). Related Terms: Comparison group BACK
A group of organisms that has not been exposed to the test chemical but which has, in every other way, been subjected to conditions and procedures that are identical to those in groups exposed to the test chemical.
A group of individuals whose characteristics are similar to an experimental group but who do not receive any of the program services or products being evaluated.
in an experimental design, a comparison group of subjects that is as like the experimental group as possible and receives the same treatment conditions save that of the experimental variable. Cp. experimental group; matched group.
When a research study is done (an "experiment", maybe), the procedure, drug or process being tested or examined on the treatment group needs to be compared with a similar group that doesn't receive the treatment; we call this group the control group. The groups can consist of people, embryos, research animals, for example.
a group of experimental subjects which, although the subject of measurement and observation, are not exposed to the experimental intervention.
a demographically matched group that is used in comparison with the study group to assess what part of the change in the study group is program-related. [For example, if program participants were randomly assigned to a specific new program, the study group might be new program participants and the control group might be the program participants not assigned to this new program.
In a clinical trial, the patient group(s) that does not receive the experimental treatment. The control group receives the standard treatment, placebo, or no treatment in accordance with the trial design, and the results of the control group(s) are compared to the results from the experimental group.
that segment of an experimental study population that receives a sham, or fake, treatment.
Study participants who do not receive the intervention, drug, or therapy being studied.
people in a medical study who do not receive the experimental treatment being tested
the trial participants who do not receive the experimental treatment
a group of patients within a clinical trial who receive the current standard treatment or no treatment at all (where none exists)
A group of individuals in a study who do not receive treatment or are treated in a traditional or regular manner.
A group of customers not exposed to a sales promotion or information. In order to measure the success of a promotion, the control group response is compared to that of the targeted group.
a comparison group of experimental units that do not receive the treatment, and can be used to compare to the experimental group with respect to the phenomenon of interest
a group of individuals or patients in the study who receive a standard treatment or placebo instead of the investigational therapy
a group of participants who are similar to those in the experimental group, but who are not involved in an HR program
a group of people who are similar to the participants of an experiment or evaluation but who are not subjected to the stimuli
a group of people who do not receive the intervention
a group of people with similar health characteristics to the treatment group , except for the fact that they are not taking the pill or remedy
a group of records which have a logical
a group that participates in the same activities as the test subjects
an additional experimental run or treatment
a necessity for cause and effect studies
A group of subjects which does not receive the experimental treatment but in all other respects is treated in the same way as the experimental group, (so as to tease out the effects of the treatment itself). In medical studies involving the administration of drugs the control group is known as the placebo group. A neutral substance ( placebo ) is administered to this group without the subjects knowing if it is an active drug or not.
A group that receives standard care or no intervention in a research study, compared to the experimental, treatment, or intervention group.
Groups of persons assessed for performance relative to an experimental group, although not subject to (all of) the same procedures.
A group in an experiment that receives not treatment in order to compare the treated group against a norm.
In a clinical trial, the group of people that receive standard treatment for their cancer.
a group of patients in a clinical trial who do not receive the drug or treatment being investigated, for the purpose of comparison with those who do.
A group of participants in a research study who do not receive the experimental intervention being studied. The control group serves as a comparison to one or more other groups in the study. For example, in some clinical trials, one group of participants is given an experimental intervention while the control group is given the current standard intervention, and the effects of the different interventions are compared. In some studies, participants in the control group may get no treatment or a placebo.
A comparison group of study participants who do not receive the study drug or intervention being tested. This group may receive no therapy, a different therapy, or a placebo.
The group in an experiment design that receives no treatment or a different treatment from the experimental group. The control group is needed to see if treatment is more effective that current approach and has to be matched with experimental groups in terms of age, abilities, race, etc.
In clinical testing, researchers collect individuals with similar characteristics and conditions and divide them into two groups for observation: the experimental group that receives the factor being studied (such as a new drug or supplement dose) and the control group that does not receive the factor being studied. [See Double Blind Study
The group of participants in a clinical trial who receive the standard treatment or a placebo. See also controlled trial.
A specially selected subgroup of people who purposefully do not receive the same treatment, input or training, etc. as the target group. Thus, differences between the control group and the target group can be measured and evaluated.
A group that does not receive training that is used for comparison.
In an experiment, a control group is generally a nontreatment group which is compared with the experimental group to study the effects of the intervention.
describes the participants being studied who are not receiving the “interventionâ€/change that the participants in the “experimental†group are receiving.
In experimental research, a group that, for the sake of comparison, does not receive the treatment the experimenter is interested in.
in a test or experiment, no change in standard conditions is allowed to happen to this group. The control group can then be compared to other groups which undergo a change from normal conditions because of the effects of experimental treatment (The plants in the control group were not given any additional fertilizer.)
The group of participants in a clinical trial who have been randomly assigned to the treatment group receiving the usual standard of care. (See Standard of Care, below).
A group of experimental subjects which are not exposed to a chemical or treatment being investigated so that they can be compared to experimental groups which are exposed to the chemical or treatment.
Subjects in an experiment who are not exposed to the independent variable but later are compared to subjects in the experimental group.
A group of subjects in a research study to which results of an experimental treatment given to another group of subjects are compared.
Experimental participants who are not exposed to the independent variable.
In clinical studies the control.group, which is given either the standard treatment for a medical condition under study or an inactive substance (called a placebo), is compared with a group given an experimental treatment to find its efficacy for the disease under study.
The control group is the measure to gauge the effectiveness of the experimental treatment. Generally, the control group receives the placebo or currently accepted treatment for that particular illness.
The standard by which experimental observations are evaluated. In many clinical trials, one group of patients will be given an experimental drug or treatment, while the control group is given either a standard treatment for the illness or a placebo.
In a clinical study, a group identical to the one being examined, except for the absence of the one factor being evaluated. The results from the two groups are compared to assess the factor under study.
A mechanism to group vouchers together for the purpose of controlling voucher input into PeopleSoft Payables. Generally used for assigning vouchers to data entry personnel and for reviewing input.
People who do not use mobile phones to make comparisons with, vital for all testing/research
in an experimental research design, this is the group of research subjects that, for the sake of comparison, does not receive the treatment or intervention given to the intervention group. Control group subjects are randomly assigned to their condition, as are their intervention group counterparts. See: comparison group, experimental group.
A comparison group of study subjects who are not treated with the investigational agent. The subjects in this group may receive no therapy, a different therapy, or a placebo.
In a randomized clinical trial, the group receiving no treatment or some treatment with which the group receiving experimental treatment is compared. The control treatment is generally a standard treatment, a placebo, or no treatment. Compare experimental group.
The control group in a clinical trial is the group of subjects that does not receive the experimental treatment, but receives either the currently approved standard treatment for the disease or an inactive substance [also called placebo].
A group as closely as possible equivalent to an experimental group (one that is exposed to a program, project, or instructional material), and exposed to all the conditions of the investigation except the program, project, or instructional material being studied.
The arm of a randomized trial which gets the standard treatment or no treatment.
used as a standard of comparison to determine the effect of changing one or more variables in an experimental group.
the group of participants in a clinical trial who receive the current standard treatment or no active treatment, and not the new drug under study.
Control group(s) is used as a baseline measure. The control group is identical to all other items or subjects that you are examining with the exception that it does not receive the treatment or the experimental manipulation that all other items or subjects receive.
is the group of patients receiving standard care for a disease rather than the clinical study treatment.
In a clinical trial, the group that does not receive the new treatment being studied. This group is compared to the group that receives the new treatment, to see if the new treatment works.
A reference group involved in a study against which the active group is compared.
In clinical psi testing, the term refers to a group of test subjects examined under closely controlled conditions. The results of the control group experiments are then compared and contrasted with those of the "experimental group" to draw conclusions based off established scientific method and protocols.
Members of the operations area that are responsible for the collection, logging and submission of input for the various user groups
a group of patients that serves as the basis of comparison when assessing the effects of the intervention of interest that is given to the patients in the treatment group. Depending upon the circumstances of the trial, a control group may receive no treatment, a "usual" or "standard" treatment, or a placebo. To make the comparison valid, the composition of the control group should resemble that of the treatment group as closely as possible. (See also historical control and concurrent nonrandomized control.)
The comparison group used in a study.
A group of people whose performance is compared with that of experimental subjects.
The group of subjects in a study to whom a comparison is made in order to determine whether an observation or treatment has an effect. In an experimental study it is the group that does not receive a treatment. Subjects are as similar as possible to those in the test or treatment group.
A comparison group for an experimental agent in a clinical trial. A control group receives standard treatment (if it exists) or a placebo.
a group of patients participating in a clinical study who are receiving either standard treatment for their disease or a placebo.
Participants in a control group do not receive the interventions of a project, but match in all other respects the group that does get the interventions. A control group is used for comparison purposes.
A group of healthy patients used for comparison in a clinical trial.
The group in an experimental design that receives either no treatment or a different treatment from the experimental group. This group can thus be compared to the experimental group.
In clinical studies this is a group of patients which receives standard treatment, a treatment or intervention currently being used and considered to be of proved effectiveness on the basis of past studies. Results in patients receiving newly developed treatments may then be compared to the control group. In cases where no standard treatment yet exists for a particular condition, the control group would receive no treatment. No patient is placed in a control group without treatment if there is any beneficial treatment known for that patient.
Study participants who receive either standard procedure for the illness or placebo (no medicine) as compared to study participants who are receiving a new drug, medical device, procedure, or prevention.
In a scientific study, the group of subjects that serves as the standard to which the experimental group is compared to determine the effectiveness of a treatment. In a blind study, the control group is identical to the experimental group, except the control group would receive a placebo in place of the treatment or product being tested.
A group whose characteristics closely match an experimental group in every aspect except for the experiment or intervention measures (e.g., a medicine or a lesson plan). The control group does not receive the experiment or intervention.
When scientists carry out experiments to test an hypothesis it is important that all other variables not being tested are kept constant but in most situations this is just not possible. Control groups are used instead. One group is treated to see the effect of the variable being tested. The control group is not treated. If the two groups are the same as each other in every other way, then any other changes in the environment will be the same for both groups and the difference between the groups will be due to the variable being tested.
In a clinical study, the group that does not receive the investigational treatment. This control group is compared to the group that receives the investigational treatment. In the ESCAPE trial, the control group will not have their PFO closed with a Premere(tm) PFO Closure System during the study.
A group of subjects who are observed but who do not receive therapy involving the proposed drug. They may receive alternative therapy, no therapy or placebo. They provide data on the streams of outcomes (clinical and economic) for comparison with the streams of outcomes observed for subjects who take therapy involving the proposed drug.
A group to which the experimental manipulation is not applied.
A group of people or an area that is similar to the treatment group or area, but does not receive treatment. Used in evaluations to control for the impact of other, non-treatment influences on crime 47, 49, 51
A group of participants who are given an identical task as the experimental group except for one feature. This single feature is present in the task given to the experimental group but not in the task given to the control group.
The group of patients in a clinical trial who receive either the current standard care or a placebo. Results of the control group are compared to results of the treatment group. No patient is placed in a control group without treatment if any beneficial treatment is known. (See also randomized, controlled research)
A group of outside subjects whose performance or abilities are compared with the experimental subjects.
The control group of patients in a clinical trial receives current standard care and/or placebo. Results of the control group are compared to results of the treatment group--the patients who received the new treatment. When no standard care exists for a condition, the control group would receive no treatment, which may be a placebo. Patients are told if this is a possibility. No patient is placed in a control group without treatment if any beneficial treatment is known and most cancer treatment clinical trials do not use placebo because standard care is available to use as a control. (See Treatment Group.)
in a study, a group of subjects who are used as a basis for comparison; the control group is usually healthy, or does not receive a treatment that the experimental group receives
the population in an epidemiological study or clinical trial who do not have the disease of interest or do not undergo the treatment being tested.
A group that has been selected not to participate in the activities being evaluated, based on an unbiased or random selection process EHR/NSF Evaluation Handbook, Chapter Seven: GlossarySource web site
In an experiment, a group of subjects that have all variables the same as those found in an experimental group except for just the variables being investigated in the experiment.
A group used as the baseline for comparison in epidemiologic studies or laboratory studies. This group is selected because it either lacks the disease of interest (case-control group) or lacks the exposure of concern (cohort study).
In an experimental design contrasting two groups, that group not given the treatment whose effect is under study. See also experimental group.