The Effect of Instructor-Set Goals upon Skill Acquisition and Retention of a Selected Shooting Task

1990 ◽  
Vol 9 (2) ◽  
pp. 115-122 ◽  
Author(s):  
B. Ann Boyce
Keyword(s):  
Skill Acquisition ◽  
Sampling Technique ◽  
Performance Goals ◽  
Performance Goal ◽  
Significant Interaction Effect ◽  
Significant Difference ◽  
Pretest Trial ◽  
Better Than ◽  
Retention Trial

This study investigated the effect of instructor-set performance goals on skill acquisition and retention of a selected shooting task. Utilizing a modified two-stage sampling technique, six classes (90 potential subjects) were assigned to one of two conditions: with instructor-set performance goals or without instructor-set performance goals. Subjects received a pretest trial, five skill acquisition trials, and a retention trial on a selected shooting task (kneeling). The results indicated that the performance-goal group was significantly more effective than the non-performance-goal group. There was a significant difference across trials. Further, there was a significant interaction effect, and when follow-up tests were applied the results indicated that the group who received the instructor-stated performance goals was significantly better than the non-performance-goal group during Trials 2-5 and the retention trials. The findings are related to how performance goals affect skill acquisition and retention.

Effects of Assigned versus Participant-Set Goals on Skill Acquisition and Retention of a Selected Shooting Task

1992 ◽  
Vol 11 (3) ◽  
pp. 220-234 ◽  
Author(s):  
B. Ann Boyce
Keyword(s):  
Goal Setting ◽  
Skill Acquisition ◽  
Random Sampling ◽  
Repeated Measures ◽  
Sampling Technique ◽  
Two Stage ◽  
Specific Goal ◽  
Retention Trial

This study investigated the effect of three goal-setting conditions on skill acquisition and retention of a selected shooting task. Utilizing a two-stage random-sampling technique, nine classes (N=138 subjects) were assigned to one of three conditions: (a) assigned specific goals, (b) participant-set specific goals, and (c) generalized do-your-best goals. The pretest and five skill acquisition trials were analyzed in a 3×6 (Goal groups × Trials) MANOVA design with repeated measures on the last factor. The procedure for the retention trial resulted in a 3×1 (Goal groups × Trial) ANOVA design. Results indicated a significant groups-by-trials interaction. The follow-up analyses revealed that the two specific goal-setting groups (assigned and participant-set goals) were significantly superior to the do-your-best group during the second, fourth, fifth, and retention trials.

Effects of Orthokeratology Lens On Axial Length Elongation in Myopia With Anisometropia Children

2021 ◽  
Author(s):  
Ziyang Chen ◽  
Kai-Ming Chen ◽  
Ying Shi ◽  
Zhao-Da Ye ◽  
Sheng Chen ◽  
...  
Keyword(s):  
Retrospective Study ◽  
Axial Length ◽  
Statistical Significance ◽  
Spherical Equivalent ◽  
Significant Difference ◽  
The Mean ◽  
The Difference ◽  
Better Than ◽  
Group 1

Abstract AimTo investigate the effect of orthokeratology (OK) lens on axial length (AL) elongation in myopia with anisometropia children.MethodsThirty-seven unilateral myopia (group 1) and fifty-nine bilateral myopia with anisometropia children were involved in this 1-year retrospective study. And bilateral myopia with anisometropia children were divided into group 2A (diopter of the lower SER eye under − 2.00D) and group 2B(diopter of the lower SER eye is equal or greater than − 2.00D). The change in AL were observed.The datas were analysed using SPSS 21.0.Results(1) In group 1, the mean baseline AL of the H eyes and L eye were 24.70 ± 0.89 mm and 23.55 ± 0.69 mm, respectively. In group 2A, the mean baseline AL of the H eyes and L eyes were 24.61 ± 0.84 mm and 24.00 ± 0.70 mm respectively. In group 2B, the mean baseline AL of the H eyes and L eyes were 25.28 ± 0.72 mm and 24.70 ± 0.74 mm. After 1 year, the change in AL of the L eyes was faster than the H eyes in group 1 and group 2A (all P<0.001).While the AL of the H eyes and L eyes had the same increased rate in group 2B. (2) The effect of controlling AL elongation of H eyes is consistent in three groups (P = 0.559).The effect of controlling AL elongation of L eyes in group 2B was better than that in group 1 and group 2A (P < 0.001). And the difference between group 1 and group 2A has no statistical significance. (3) The AL difference in H eyes and L eyes decreased from baseline 1.16 ± 0.55mm to 0.88 ± 0.68mm after 1 year in group 1.And in group 2A, the AL difference in H eyes and L eyes decreased from baseline 0.61 ± 0.34mm to 0.48 ± 0.28mm. There was statistically significant difference (all P<0.001). In group 2B, the baseline AL difference in H eyes and L eyes has no significant difference from that after 1 year (P = 0.069).ConclusionsMonocular OK lens is effective on suppression AL growth of the myopic eyes and reduce anisometropia value in unilateral myopic children. Binocular OK lenses only reduce anisometropia with the diopter of the low eye under − 2.00D. Binocular OK lenses cannot reduce anisometropia with the diopter of the low eye equal or greater than − 2.00D. Whether OK lens can reduce refractive anisometropia value is related to the spherical equivalent refractive of low refractive eye in bilateral myopia with anisometropia children after 1-year follow-up.

scholarly journals A Comparison of 940 nm Diode Laser and Cryosurgery With Liquid Nitrogen in the Treatment of Gingival Physiologic Hyperpigmentation Using Split Mouth Technique: 12 Months Follow Up

2019 ◽  
Vol 10 (2) ◽  
pp. 131-138
Author(s):  
Leila Jokar ◽  
Mojtaba Bayani ◽  
Hamid Hamidi ◽  
Mohammad Keivan ◽  
Saranaz Azari-Marhabi
Keyword(s):  
Liquid Nitrogen ◽  
Diode Laser ◽  
Randomized Study ◽  
Facial Esthetics ◽  
Surgical Methods ◽  
Significant Difference ◽  
Treatment Procedures ◽  
Gingival Depigmentation ◽  
Better Than

Introduction: Gingival hyperpigmentation is excessive deposition of melanin pigments in the epithelium of gingiva which affects facial esthetics. Various surgical methods for gingival depigmentation have been used to treat the darkened color of pigmented gingiva. This study compared the use of 940 nm diode laser and liquid nitrogen cryosurgery in the treatment of gingival physiologic hyperpigmentation in terms of gingival depigmentation, postoperative pain, healing duration, pigmentation recurrence, and patients’ satisfaction. Methods: Fifteen systemically healthy patients (11 females and 4 males; 17-35 years of age) with bilateral gingival physiologic hyperpigmentation were enrolled in this split-mouth randomized study. Maxillary anterior labial gingiva of each patient was divided into left and right halves, and each half was randomly depigmented by either laser or cryosurgery. Patients were given questionnaires to evaluate the procedures and were followed up in 3, 7, 10, 17 and 21 days postoperatively for the assessment of gingival healing and 1, 3, 6 and 12 months after the treatments to detect any sign of pigmentation recurrence. Results: The severity of post-op pain measured by visual analogue scale (VAS) was mild to average and showed no significant difference between the 2 modalities (P>0.05). There was no considerable swelling or hemorrhage after the treatment procedures and the healing duration was significantly shorter in laser (P<0.05). The degree of pigmentation in all gingival sites treated by laser reached and remained at zero until the last follow up (1 year) and reached zero in 9 out of 15 cryosurgerytreated sites. All patients were completely satisfied with the laser, and 9 out of 15 were completely satisfied with cryosurgery. No pigmentation recurrence was observed during any follow-up periods. Conclusion: Removal of gingival physiologic hyperpigmentation by laser therapy and cryotherapy was effective and safe. The efficiency of the laser was better than cryotherapy.

scholarly journals Weighted Wilcoxon-Type Rank Test for Interval Censored Data

2013 ◽  
Vol 2013 ◽  
pp. 1-8
Author(s):  
Ching-fu Shen ◽  
Jin-long Huang ◽  
Chin-san Lee
Keyword(s):  
Failure Time ◽  
Sampling Technique ◽  
Rank Test ◽  
Test Statistics ◽  
Time Data ◽  
Interval Censored ◽  
Mean And Variance ◽  
The Mean ◽  
Better Than

Interval censored (IC) failure time data are often observed in medical follow-up studies and clinical trials where subjects can only be followed periodically, and the failure time can only be known to lie in an interval. In this paper, we propose a weighted Wilcoxon-type rank test for the problem of comparing two IC samples. Under a very general sampling technique developed by Fay (1999), the mean and variance of the test statistics under the null hypothesis can be derived. Through simulation studies, we find that the performance of the proposed test is better than that of the two existing Wilcoxon-type rank tests proposed by Mantel (1967) and R. Peto and J. Peto (1972). The proposed test is illustrated by means of an example involving patients in AIDS cohort studies.

scholarly journals Psychological Wellbeing among Permanent and Sahayak School Teachers

2016 ◽  
Vol 3 (2) ◽  
Author(s):  
Vikas K. Rohit
Keyword(s):  
Significant Interaction ◽  
Well Being ◽  
Psychological Wellbeing ◽  
School Teachers ◽  
Significant Interaction Effect ◽  
Psychological Well Being ◽  
Significant Difference ◽  
Result Show ◽  
Test Result ◽  
Better Than

Aim of the research is to find out the Psychological Well being among Permanent and Sahayak School Teachers. So investigator selected two groups one is male school teachers and other is female school teachers, both groups have 160 peoples. In each group has 80 permanent school teachers other one groups has 80 Sahayak school teachers. Data were collected from Anand Taluka. Scale was use for data collection is personal datasheet and Psychological wellbeing scale developed by Bhogale and Prakash (1995), 2×2 factorial design was used and data were analysis by ‘F’ test. Result show, Sex had significant impact on psychological wellbeing. The female school teacher’s psychological wellbeing is better than the male school teachers. There was no significant difference of psychological well being between permanent and sahayak school teachers. There was not significant interaction effect of Types of teachers and sex on Psychological well being.

scholarly journals Prognostic significance of macrosatellite instability in patients under 50 years of age suffering from colorectal cancer

2009 ◽  
Vol 62 (5-6) ◽  
pp. 217-223
Author(s):  
Atila Fenjvesi
Keyword(s):  
Colorectal Cancer ◽  
Microsatellite Instability ◽  
Prognostic Significance ◽  
Young Patients ◽  
Dna Mismatch ◽  
Significant Difference ◽  
Sporadic Cases ◽  
Microsatellite Stability ◽  
Better Than

Introduction Colorectal cancer (CRC) can arise through two distinct mutational pathways: microsatellite instability or chromosomal instability. High-frequency microsatellite instability (MSI) occurs in approximately 15 percent of sporadic cases of CRCs. Many studies have well established that MSI, the hallmark of defective DNA mismatch repair, is associated with prolonged survival of CRC patients compared with tumors that are microsatellite stable. CRCs in patients under 50 years of age are rare and represent about 5% of the total number of tumors. The aim of this study was to analyze the prognostic significance of MSI in CRC patients younger than 50 at the time of diagnosis. Material and methods 31 patients with CRC under 50 years of age were tested for the presence of MSI, and compared with 35 patients aged 50 or more at the time of diagnosis. CRC-specific survival five-year- follow-up period was analyzed in relation to MSI status. Results The frequency of MSI among the young patients was 35.48%, which was significantly higher than the rate of 11.43% noted in older patients with CRCs (p<0.042). This study revealed no difference in survival in patients with CRCs aged less than 50 compared with those over 50 years of age. The five-years survival of young CRCs patients with MSI 81.82%, was better than that of the patients with cancers with microsatellite stability, 60%, but there was no significant difference in statistics. Discussion and conclusion In our study there was no statistically detectable significant difference between tumor microsatellite status and survival in young patients, although we confirmed the previous observations that MSI is associated with better prognosis. We found that the pathological stage of CRC was an independent and powerful predictor of the clinical outcome.

scholarly journals How to Choose Platelet-Rich Plasma or Hyaluronic Acid for the Treatment of Knee Osteoarthritis in Overweight or Obese Patients: A Meta-Analysis

2020 ◽  
Vol 2020 ◽  
pp. 1-12
Author(s):  
Pan Luo ◽  
Zhencheng Xiong ◽  
Wei Sun ◽  
Lijun Shi ◽  
Fuqiang Gao ◽  
...  
Keyword(s):  
Hyaluronic Acid ◽  
Knee Osteoarthritis ◽  
Platelet Rich Plasma ◽  
Meta Analysis ◽  
Cochrane Library ◽  
Obese Patients ◽  
Knee Oa ◽  
Significant Difference ◽  
Better Than

Objective. The purpose of this meta-analysis was to determine whether platelet-rich plasma (PRP) was better than hyaluronic acid (HA) for the treatment of knee osteoarthritis (OA) in overweight or obese patients. Design. Two reviewers independently used the keywords combined with free words to search English-based electronic databases according to Cochrane Collaboration guidelines, such as PubMed, Embase, ScienceDirect, and Cochrane library. The pooled data were analyzed using RevMan 5.3. Results. Ten randomized controlled trials (RCTs) with 1096 patients were included. During the first two months of follow-up, there was no significant difference between the two groups. At the 3rd, 6th, and 12th months of follow-up, the pooled analysis showed that PRP was better than HA for the treatment of knee OA in overweight or obese patients. There were significant differences between the two groups at Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) total score (3 months: MD = −1.35, [95% CI: −2.19 to −0.50], P=0.002, I2 = 0%; 6 months: MD = −7.62, [95% CI: −13.51 to −1.72], P=0.01, I2 = 88%; 12 months: MD = −12.11, [95% CI: −20.21 to −4.01], P=0.003, I2 = 94%). Conclusions. For overweight or obese patients with knee OA, intra-articular injection of PRP in a short time was not necessarily superior to HA, but long-term use was better than HA in pain and functional relief.

scholarly journals PERBANDINGAN CAPITAL ADEQUACY RATIO PADA PT BNI TBK DENGAN PT BRI TBK

2020 ◽  
Vol 16 (1) ◽  
pp. 30-39
Author(s):  
Defita Rahayu ◽  
Alwi Alwi
Keyword(s):  
Quantitative Research ◽  
Stock Exchange ◽  
Secondary Data ◽  
Sampling Technique ◽  
Capital Adequacy ◽  
Analysis Technique ◽  
Capital Adequacy Ratio ◽  
Significant Difference ◽  
Secondary Data Sources ◽  
Better Than

The purpose of this study was to find out how much a significant difference between CAR BNI and BRI. The sampling technique in this study used purposive sampling. This research sample for 5 years from 2014-2018 was listed on the Indonesia Stock Exchange. Types of quantitative research data with secondary data sources. The data analysis technique used independent sample t-test. The analysis shows that the CAR variable on BNI and BRI based on the Sig (2-tailed) value of 0.010 so that a significant value of 0.010 0, 05, then Ho is rejected and Ha is accepted stating that there is a significant difference between the average CAR on BNI and BRI . Of the two banks, BNI's average is 17.760% smaller than the BRI's average of 21.332%. This shows that during 2014-2018 BRI's CAR was better than BNI, due to the increase in the amount of capital received by BRI. When referring to the minimum Bank Indonesia regulation is 8%, both banks have good financial performance in terms of (CAR).

scholarly journals MANAGEMENT OF COTTON BUD INDUCED OTITIS EXTERNA BY UNIQUE METHOD

2021 ◽  
Vol 71 (Suppl-3) ◽  
pp. S448-51
Author(s):  
Syed Muhammad Asad Shabbir Bukhari ◽  
Sohail Aslam ◽  
Naeem Riaz ◽  
Muhammad Waqas Ayub ◽  
Irfan Saeed ◽  
...  
Keyword(s):  
Otitis Externa ◽  
Sampling Technique ◽  
P Value ◽  
Chi Square ◽  
Management Protocol ◽  
Unique Method ◽  
Group 2 ◽  
Better Than ◽  
Group 1

Objective: To compare the recovery of patients in both groups having acute otitis externa induced by cotton buds/various objects. One group by old method and second group by unique method. Study Design: Quasi-experimental study. Place and Duration of Study: Pakistan Naval Ship Shifa Karachi, from Jan to Dec 2020. Methodology: Non-probability convenience sampling technique was applied. Out of 50 cases were selected for group 1 management. Fifty cases were selected for group 2 management. A chi-square test was applied to compare the recovery of two groups of patients on the 14th day and 42nd day of follow-up. p-value was kept 0.05 as significant. Results: A total of 100 cases were treated in 2 groups. The gender distribution of the study was 54 females and 46 males. The mean age of the study population was 33.09 ± 12.93 years. p-value was calculated on the 14th day and 42nd days. A 2x2 table of 14th follow up day showed recovery by both groups with a p-value of 0.041 which is <0.05. This showed that group 2 management was statistically better than group 1 management. Conclusion: The second group was managed with eardrops containing Betamethasone and Neomycin. This management protocol is unique and better than conventional management as done in the first group.

scholarly journals A comparative study on domestic and foreign equity funds in Indonesia

2019 ◽  
Vol 6 (4) ◽  
pp. 54-61 ◽  
Author(s):  
I Gst Ngr Putu Adi Suartawan ◽  
Luh Gede Sri Artini
Keyword(s):  
Financial Services ◽  
Practical Implication ◽  
Market Timing ◽  
Sampling Technique ◽  
Investment Strategies ◽  
Stock Selection ◽  
Timing Ability ◽  
Significant Difference ◽  
Equity Funds ◽  
Better Than

The aim of this study is to analyze and compare the performance between domestic and foreign equity funds in Indonesia seen from the Treynor index, market timing, and stock selection ability. The population of this study is all equity funds registered in OJK (Financial Services Authority) in Indonesia, with a sample of 38 domestic equity funds and 25 foreign equity funds during the 2016-2018 period. The samples were collected by using a nonprobability sampling method with a purposive sampling technique. Data were analyzed using the Mann-Whitney U test. The results of this study show that the performance of foreign equity funds is better than the domestic equity funds seen from the Treynor index. The market timing ability of foreign equity funds is better than domestic equity funds. The stock selection ability of domestic equity funds is better than foreign equity funds. The practical implication of this study for investors and capital market players is to provide empirical evidence that there is a significant difference between the domestic and foreign equity funds performance in Indonesia, that can be considered in investment strategies. For investment companies that manage equity funds can be a reference to performance improvement, especially for negative performance.

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