Monday, December 30, 2019

A Normal Distribution Based On The Shapiro Wilk Test For...

3. RESULTS All data demonstrated a normal distribution based on the Shapiro-Wilk test for normality; therefore, no further transformation was required. Mean ages (SDs) of the participants were 24 (3.7) years in the PA group and 23.6 (2.3) years in the placebo group. Baseline characteristics between the groups were similar for all variables (P0.05) (Table 1). A total of 44 enrolled participants completed the follow-up (Figure 1). Participants denied any adverse and/or side effects during the follow-up periods. A mixed-effect model of repeated measure analysis showed no significant between-group differences for HR (Figure 2) and DBP (Figure 4). On the contrary, the averaged total HR, regardless of the groups, showed a statistically significant change over time (p-value=0.0043 in Table 2). The overall group-by-time interaction for the mixed-model was statistically significant only for SBP (p-value=0.0105) in that PA group had significantly reduced SBP while the placebo group had increased SBP during-intervention. The 95% CI of the change in SBP (1.65 to 4.25 mmHg) exceeded the minimal detectable change (MDC) of 4.16 mmHg (Yung et al 2014) for some individuals. The post-hoc analysis revealed that the changed SBP during-intervention was significantly different between the PA and the PA-P group (p-value=0.003 in Figure 3). The between-group differences were no longer significant at post follow-up. Males had statistically higher SBP than females overall (p-value=0.0027 in TableShow MoreRelatedWh at Affect Does The And Difference Of Means For The Variables?1335 Words   |  6 PagesThis report consists of the findings from tests run to assess both the normality and difference of means for the variables used in the We Read to Succeed community initiative in Harrisonburg-Rockingham County. This report also presents the findings from the proposed research questions, including: 1) Do mentor reported reading skills improve over time? 2) How does mean mentor reported strength of relationship at baseline vary by gender? How does it vary after 12 months by gender? 3) What affect doRead MoreThoron Concentration Essay1112 Words   |  5 PagesThe results of experimentally determined values of indoor radon, thoron and their progeny concentrations observed in selected 127 dwellings of 47 villages sampled by single entry pin-holes based dosimeters and progeny sensors for one year are summarized in Table 1. The radon concentration varies from 16 ±0.9 Bqm-3 to 50 ±23 Bqm-3 with an arithmetic mean of 30 ±7 Bqm-3 and geometric mean (and geometric standard deviation) of 30 (1.25) Bqm-3, which is less than the lower limit of the action level (200-300Read MoreEssay on Psy 870: Module 3 Problem Set Answers799 Words   |  4 Pagesresearcher will be to clean and screen the data. Please do this for the researcher and report your findings. Be sure to check it for possible coding errors, as well as complete the screening of the data to see if the data meet assumptions for parametric tests. Did you find any errors that the researcher made when setting up the SPSS data file (check the variable view)? If so, what did you find? How did you correct it? HINT: Yes, one of the variables is incorrectly listed as scale. 3. Were there missingRead MoreSample Testing Is Mandatory Against A Static Groundwater Protection Standard1520 Words   |  7 Pagesderived from related as a fixed standard. The primary tool for monitoring is the confidence interval. Numerous ranges of confidence intervals, including confidence intervals around means, medians. The goal is on planning tests with reasonable statistical performance in terms of per-test false positive rates. Confidence interval are designed to estimate statistical characteristics of some parameter of sampled population. Given a statistical parameter of interest such as the population mean ( µ), theRead MoreANSWER TO MODULE 5 ASSIGNMENT Essay1963 Words   |  8 PagesAffective (AFFECT) and Behavioral (BEHAVE) should be scale variables. The scale of these variables is changed before the analysis. 4 Perform Initial Data Screening. What did you find regarding missing values, univariate outliers, multivariate outliers, normality? a. What should you consider when you find these kinds of outcomes? HINTS: For missing values, see Case Processing Summary Univariate outliers: inspect box plots Multivariate outliers: Don’t forget to create the Case ID variable to do this analysisRead MoreMaterial And Methods Of Blood Lac At Arrival As Potential Predictor Variable On Feedlot Calves With Brd1572 Words   |  7 Pagesheart sounds and potential interference from the environment and classified acoustic patterns in lung scores ranging from 1 to 5 (1 = normal, 2 = mild acute, 3 = moderate acute, 4 = severe acute, and 5 = chronic). Following the calves examination, blood samples were obtained from each calves in vacutainer tubes by jugular vein puncture using a 20G needle on labeled test tube, blood LAC was recorded for each calf using Lactate Plus handheld lactate meters (Nova Biomedical, Waltham, MA). This portableRead MoreWhat Is Data Analysis And Application ( DAA )1365 Words   |  6 Pagesexamine a data analysis and application for an independent t test comparing the mean GPAs of a sample of male and female students. It will pose a research question that the data wi ll set out to answer. It will provide a null hypothesis and an alternative hypothesis, and will provide an analysis showing why the null hypothesis should be accepted or rejected in favor of the alternative hypothesis. Data File Description For this independent t test, the mean GPAs of 64 females and 41 males were comparedRead MoreStatistical Assumptions Of Substantive Analyses Across The General Linear Model1155 Words   |  5 Pagespsychological research as opposed to measurement. Nimon (2012) asserts that a basic assumptions across the GLM is that sample data is drawn randomly from the population. What was found though, is that a substantial amount of social science research is based on unrepresented samples and many researchers will select a sample that suits the purpose of the study. This makes inferences to the population more difficult. Instead, researchers should describe the sample and population in sufficient detail in orderRead MoreCultural Competency And Awareness, Organization, And Skills1605 Words   |  7 Pagesan important ethical aspect of health care. Given its importance, it is crucial to understand if it is being utilized and taught effectively. In order to establish if something is being understood, there must be a test capable of evaluating the cultural competency of individuals. This test is called the Cultural Competence Assessment Instrument and it is designed to measure the cultural competence of rehabilitation practitioners (Suarez-B alcazar et al., 2011). The cultural competency of individualsRead MorePhysiotherapy Outcome Measures Essay1684 Words   |  7 Pagesmeasures are used in all physiotherapy areas not only in research, but also in clinical practice. Therefore, reproducibility studies are needed to assess the repeatability or consistency of these measurements. The aim of this experiment is to examine the test retest repeatability by one practitioner for an outcome measure in physiotherapy. Seventeen subjects were recruited to participate in this experiment. Three separate readings were taken for each subject on each day on two different occasions. The results

No comments:

Post a Comment

Note: Only a member of this blog may post a comment.