Limitations include small sample size and
lack of a control group at the 6 month follow - up.
Limitations include
the lack of a control group at the post-intervention follow - up and concerns about generalizability of the results, due to the largely white, middle - class, and educated sample.
Limitations include
the lack of a control group at the 3 - month and 2 - year postintervention follow - ups and the small sample size for a study involving three groups.
Limitations include
the lack of a control group at the 6 - month postintervention follow - up, small sample size, concerns about the generalizability to other populations due to the largely college educated, married, above average income sample and the use of self - referred families, who may be more willing to complete self - directed work than others.
Not exact matches
Organizers
at national gun
control groups, who provided logistical support and public relations advice as the students planned the Washington rally, said they believed that the students would not become disillusioned by the
lack of immediate action in Congress.
Although billions
of dollars are being expended annually on family planning services in less - developed countries, and such programs have been promoted by various governments
at the national level for four decades, there are only a few studies that have attempted to measure the demographic and health impact
of family planning against a «
control group» — a similar area which
lacks the service.
As Trump golfed in Florida, a
group of teenagers staged a «lie - in»
at the gates
of the White House to protest the government's
lack of action on gun
control.
Bailey agrees Lippl's findings are interesting but laments the study's
lack of a
control group staying
at low altitudes.
Another study which wanted to eliminate this particular limitation examined the impact that 8 grams
of creatine had on muscle size and strength taken immediately after or before workout sessions, while
at the same time adding a
control group which took a placebo
lacking creatine.
However, we don't expect too much change in the
control groups, which was confirmed by the
lack of weight loss, and elevated ketones in the keto
group confirms good adherence,
at least, to the carbohydrate advice.
Limitations included the
lack of a «pure» bibliotherapy condition, the low number
of families who satisfactorily implemented the program in the email and client - initiated conditions, and
lack of control / comparison
groups able to be evaluated
at follow - up.
Limitations include the
lack of a comparison or
control group, the limited data collected
at postintervention follow - up, and concerns regarding the use
of standardized measures that were not designed for parents with intellectual disabilities.
Limitations included the
lack of a
control group comparison
at the 12 and 18 month follow - ups.
Limitations included
lack of a no - treatment
control group, results were obtained
at a single agency with a small number
of part - time clinicians that may affect generalization to other settings, and a lower level
of fidelity
control than in a laboratory trial may reduce internal validity.
Limitations include significant differences between the HFA and
control groups at baseline (generally indicating the HV
group was
at higher risk, and addressed through statistical
control), small sample size, and
lack of information on service that may have been received by the
control group families.