Please help me identify what the quantitative research design is for the following study. There are four main types of Quantitative research: 1. Descriptive 2. Co relational 3. Causal-Comparative/Quasi-Experimental 4. Experimental Research.
Given the significant disability, morbidity and mortality
associated with depression, the promising recent trials of ketamine
highlight a novel intervention. A meta-analysis was conducted to
assess the efficacy of ketamine in comparison with placebo for the
reduction of depressive symptoms in patients who meet criteria for
a major depressive episode.
Method: Two electronic databases were searched in September 2013
for English-language studies that were ran-domized
placebo-controlled trials of ketamine treatment for patients with
major depressive disorder or bipolar depression and utilized a
standardized rating scale. Studies including participants receiving
electroconvulsive ther-apy and adolescent/child participants were
excluded. Five studies were included in the quantitative
meta-analysis. Results: The quantitative meta-analysis showed that
ketamine significantly reduced depressive symptoms. The overall
effect size at day 1 was large and statistically significant with an
overall standardized mean difference of 1.01 (95% confidence
interval 0.69–1.34) (Pb.001), with the effects sustained at 7 days
postinfusion. The heteroge-neity of the studies was low and not
statistically significant, and the funnel plot showed no publication
bias. Conclusions: The large and statistically significant effect of
ketamine on depressive symptoms supports a promising, new and
effective pharmacotherapy with rapid onset, high efficacy, and good
tolerability.
Given study is an example of Descriptive quantitative study, as the researcher is observing and describing the behaviour or intervention of ketamin without influencing it in any way, with the help of meta analysis or previously studied results.
Meta analysis is a statistical technique for summarizing previous quantitative research.
In co relational study relationship is identified, there is one group but two or more variables are compared
In Quasi experimental study cause and effect relationship is identified, with only one variable but 2 or more groups. It is said quasi experimental and not experimental because either randomisation or manipulation or control group is missing
On the other hand in experimental study all three are present
a) Randomisation (samples are randomly selected)
b) Manipulation( some intervention is done)
c) Control group
Please help me identify what the quantitative research design is for the following study. There are...
Previous research has shown that reporting bias has inflated the apparent efficacy of antidepressants. We investigated whether apparent safety was also affected. We included 133 trials, involving 31,296 patients, of second-generation antidepressants for the treatment of major depressive disorder (MDD) or anxiety disorders, obtained from Food and Drug Administration (FDA) reviews. We extracted data on overall discontinuation, discontinuation due to adverse events, and serious adverse events (SAEs). Meta-analysis was used to compare discontinuation rates between FDA reviews and matching journal...
select the correct answer 1) Which statement about systematic reviews is true? a) All systematic reviews of quantitative studies are meta-analyses. b) “Systematic review” is just another name for a literature review. c) All systematic reviews of quantitative studies are metasyntheses. d) Systematic reviews follow similar “rules” as for primary studies. 2) Which is the unit of analysis in a meta-analysis? a) Prior systematic reviews b) A primary qualitative study c) Individual study participants d) A primary quantitative study 3)...
Directions What is a research proposal? The purpose of a research proposal is to identify and formulate questions that arise from nursing practice and to design a research project to study the identified problem. The goal of a research proposal is to present and justify a research idea you have and to present the practical ways in which you think this research should be conducted. Research proposals contain extensive literature reviews and must provide persuasive evidence that there is a...
CRITICAL THINKING QUESTIONS 1. Read this study and answer the ques- tions that follow. Schultz, D., Shanks, C.. & Houghtaling, B. (2015). The impact of the 2009 Special Supplemental Nutrition Program for Women, Infants, and Children food package revisions on participants: A systematic review. Journal of the Academy of Nutrition and Dietetics, 115, 1832-1846. doi: Results showed that each diet was associ- ated with significant weight loss and reduc- tion in cardiovascular disease risk (Mansoor, Vinknes, Veierod, & Retterstol, 2015)...
can you please help me understand this passage and what they did in there experiment please ...I need I short explanation doi.org/10.1016/j.jmoldx.2019.01.C. Irritable bowel syndrome (IBS) is a functional gastrointestinal (GI) tract disorder affecting up to 20% of the world's popu- lation. IBS symptoms include bloating, altered bowel habits, and abdominal pain, with pain being the most debili- tating. The etiologies of IBS are multifactorial,8 and increasing evidence supports the involvement of gut microbes in IBS onset and symptoms. (HCs),...
please just select the correct answer no explanation needed 1) An RCT could use all of the following designs, except a: a) randomized pretest–posttest design. b) crossover design. c) randomized posttest-only design. d) nonequivalent control group design. 2) A meta-analyst addressed the question of whether mindfulness-based interventions were effective in reducing anxiety in patients with cancer and found high levels of statistical heterogeneity (i.e., significant variation of effects across studies). What should the meta-analyst do? a) Use a random effects...
Article Summary I Read the article below and provide feedback by writing a 2 page summary. Please write in essay format (you may include the questions but the response should be in essay format) Must include the following information Title of the article Author(s) of the article Reference list (include the article itself and any other reference material such as another article that is cited in your summary). Use the reference list in the article to get information about another...
Identify the scientific premise, main hypothesis addressed by the paper and the research question of the paper Also, what is the main results and the implication of results IMPORTANCE Clinical outcomes for glioblastoma remain poor. Treatment with immune checkpoint blockade has shown benefits in many cancer types. To our knowledge, data from a randomized phase 3 clinical trial evaluating a programmed death-1 (PD-1) inhibitor therapy for glioblastoma have not been reported. OBJECTIVE To determine whether single-agent PD-1 blockade with nivolumab...
What kind of instruments were used in the study? Did it clearly link to the research question? (One paragraph minimum) Page Organlzation of Hospital Nursing and 30-day Readmissions In Medicare Patlents Undergoing Surgery Chenjuan Ma, PhD National Database of Nursing Quality Indicators, University of Kansas School of Nursing 3901 Rainbow Bvd, M/S 3060 Kansas City, KS 66160, USA Matthew D McHugh, PhD, and Center for Heath Outcomes and Palcy Research University of Pennsyivania School of Nursing 418 Cune Bivd., Fagin...
SECTION 1 (COMPULSORY) FOR EACH OF THE FOLLOWING 50 OBJECTIVE-ITEMS, CHOOSE THE MOST APPROPRATEANSWER AND MARK YOUR ANSWER AGAINST 1-50 ON THE MARK- READING SHEET 1 Which of the following are characteristics of quanttative research? a investigating the relationships between vanables b using rating scales to quantify responses mposing control to limit extraneous variables researchers being personally involved with the partıcipants e organising raw data into meaningful conceptual patterns 1 a bcde 2 ab c 3 bcd 4 a de...