Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 554 for “"Main Effects"”.
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Observing the Main Effects of Automotive Primers when Bonding to Polyvinylchloride
<p>The targeted facility is one that supplies window panels for automotive companies. Much focus of the research relies heavily on bonding various substrates to glass. While the majority of the research lies in this area, there are some business applications, such as bonding stainless steel to …
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The main effects of five job characteristics on performance and satisfaction: a laboratory investigation
A review of the literature on Hackman and Oldham's (1975) job characteristics model of job design found that laboratory research of the five job characteristics was wanting. An experimental study was conducted in which each of the five job characteristics was independently manipulated. Subjects …
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The Longitudinal Association of Neighborhood Stress and Sexual Risk Behaviors and Outcomes among Black Adolescents: Main Effects and Theoretically-Informed Mediation
<p>Neighborhood stress stemming from exposure to physical and social decay, as well as violence and crime may be a critical risk factor for risky sexual behaviors among adolescents. The present study sought to: 1) characterize the prospective association of neighborhood stress with adolescent …
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System regularities in design of experiments and their applications
… The study quantifies regularities observed among main effects and multi-factor interactions. Such regularities are critical to efficient planning and analysis of experiments, and to robust design of engineering systems. Three previously observed properties are analyzed - effect sparsity, …
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The Effects of Whole Body Vibration on Muscle Recovery and Performance
… the purpose of this study is to examine the effects of WBV following exercise induced muscle damage over a period of 72 hours in recreationally trained females. Participants were randomly selected into either the control group or the WBV group. There were three familiarization visits and four …
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Factors contributing to the long-term adjustment of college women abused as children
… current social support and demonstrates their main effects and interactions for predicting long-term psychological distress. Further, this study expands upon past research by broadly defining childhood maltreatment to include sexual, physical, and psychological aspects of maltreatment. This …
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Disentangling Contributions of Process Elements to the Fair Process Effect: A Policy-Capturing Approach
… procedures in general can help to ameliorate the effects of negative outcomes. This study examined the relative importance of each specific process element in accounting for the fair process effect. In addition, this study examined whether there are substitutable effects among the process elements …
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Comparison of lower extremity strength and strength symmetry among U.S. Ski Team sports
… compare RS among the same factors. Results: The main effects of sport type (p = 0.194), competitive level (p = 0.061), and sex (p = 0.260) were not significant for LSI. There were no significant interactions between independent variables for LSI. The main effects of sport type (p = 0.041) and sex …
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Adolescent Narcissism and Prosocial Behavior as a Function of Peer, Parent, and Self-Perception
… (i.e., adaptive or pathological). However, no main effects or interactions emerged with the exception of main effects for pathological narcissism and for self-esteem in predicting self-reported prosocial behavior. That is, pathological narcissism and higher self-esteem each corresponded to …
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Impact of Self-Esteem, Adult Attachment, and Family on Conflict Resolution in Intimate Relationships.
… aggression in intimate relationships and the effects of self-esteem, adult attachment, and witnessing violence in the family of origin on such. Participants were 189 males and 379 females enrolled in classes during the fall semester 2006 at East Tennessee State University. Participants were …
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Exploring the effects of mood states, cultural background, and the congruity between ad appeal and product type on consumers’ attitudes and purchasing intentions
This paper examines the interactive effects of mood, culture and message appeal (i.e., congruity/incongruity between ad appeals and product types). Two online experiments were conducted with 438 participants from both U.S. and China. All participants (i.e., Americans and Chinese) were randomly …
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How walking forward influences people's emotional response to and memory for stimuli viewed on a mobile phone
… analysis showed that there were no significant main effects of walking on people’s evaluation and memory. However, main effects of type of information on evaluation and recognition memory were found, such that people rated images more favorably but remembered brand names better.
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The Effects of Looping on the Academic Achievement of Elementary School Students.
… of Covariance (ANCOVA), was used to examine the main effects of program design and student gender on 2000 and 2001 test scores, along with program design x gender interactions, while controlling for prior test score differences.</p><p>The findings suggested that students in looping classrooms …
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Short Term Time Course Skeletal Responses to High Intensity Physical Exercise
… the four sampling periods. While there were no main effects for group, a trend for time (p = 0.051) for composite EIMRTA was observed. The exercise group demonstrated a 20% increase in EIMRTA from baseline (74.8 +/- 22.3 Nm2) to 6 wk (89.8 +/- 24 Nm2), compared to controls who demonstrated a 4% …
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Philosophy of Human Nature as a Function of Political Preference, Political Involvement, and Age
… of political involvement, and age as the three main effects to test twelve specific hypotheses. One hundred twenty subjects were randomly selected from among the Democratic and Republican parties of Kittitas County and students from Central Washington State College, and the PHN Scale was …
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Economic expansible-contractible sequential factorial designs for exploratory experiments
… one factor level at a given time. The estimable effects and the alias structure after each run have been provided. Formulas for the estimates of main-effects and two-factor interactions have been derived. Such formulas can be used for assessing the significance of their estimates. For …
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Variations of the Hand Test with young and older adults
… to the original Hand Test. Results indicated main effects for age and gender of respondent, which were primarily consistent with previous Hand Test research. Main effects for gender and age of hand stimuli (p < .05) were also found. Significant interaction effects were revealed for age of …
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The Relationship Between Self-Efficacy and Interpersonal and Neighborhood Social Factors On Physical Activity In Low-Income, African American Adults
… in predicting MVPA. Results revealed significant main effects for self-efficacy (B=3.45, p<.05), social norms for PA (B=3.66, p<.05) and neighborhood social interactions (B=6.28, p<.05) suggesting that participants who reported higher self-efficacy, higher perceptions of social norms for PA and …
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Predation of Ringed Salamander Larvae, Ambystoma Annulatum
… on the predation rates showed highly significant main effects of predator (P < 0.0001), prey size (P < 0.0001), and day (P = 0.001), and a highly significant interaction between predator and prey size (P < 0.0001). In 1992-93, the experiments were repeated with the number of larvae eaten recorded …
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Psychological and neuropsychological correlates of Postconcussional Disorder
… supported pathogenesis for the development and maintenance of PCD. The interactionistic perspective implicates organic factors in the development of acute symptoms of PCD, and psychological factors in the maintenance of chronic symptoms. Possible psychological factors relevant in the maintenance …
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