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Cropping Sequence Affects Subsequent Soybean Yield, Soil Microbiome And Soil Health, Izzet Bulbul
Cropping Sequence Affects Subsequent Soybean Yield, Soil Microbiome And Soil Health, Izzet Bulbul
Electronic Theses and Dissertations
Rotation is an important cultural practice that farmers use to manage crop growth and diseases. Diversified crop rotations directly affect plant residue inputs that may enrich specific groups of microbes that form beneficial associations with the following crop. At two field sites, yield differences were observed in soybeans planted after the following four long-term (14 year) crop sequences: continuous corn (CC), corn (Zea mays)/corn/soybean (Glycine max) (CCS), corn/soybean/corn (CSC), soybean/corn/soybean (SCS). Soybean yields were in decreasing order, CC>CCS>CSC>SCS, and the yield differences could not be explained by soil chemical and physical properties previously …
A Study Of Several Applications Of Parallel Computing In The Sciences Using Petsc, Nicholas Stegmeier
A Study Of Several Applications Of Parallel Computing In The Sciences Using Petsc, Nicholas Stegmeier
Electronic Theses and Dissertations
The importance of computing in the natural sciences continues to grow as scientists strive to analyze complex phenomena. The dynamics of turbulence, astrophysics simulations, and climate change are just a few examples where computing is critical. These problems are computationally intractable on all computing platforms except supercomputers, necessitating the continued development of efficient algorithms and methodologies in parallel computing. This thesis investigates the use of parallel computing and mathematical modeling in the natural sciences through several applications, namely computational fluid dynamics for impinging jets in mechanical engineering, simulation of biofilms in an aqueous environment in mathematical biology, and the solution …
Quantifying The Performance Of The Protodune Single Phase Neutrino Detector Using Computational Fluid Dynamics, Dillon Pedersen
Quantifying The Performance Of The Protodune Single Phase Neutrino Detector Using Computational Fluid Dynamics, Dillon Pedersen
Electronic Theses and Dissertations
The goal of this research is to provide scientifically-valid computationally generated data of the flow, thermal, and impurity data of the ProtoDUNE single phase detector. Results are compared and validated against an actual detector that is currently being utilized to collect temperature and impurity data. This research will investigate the flows inside these detection chambers using computational fluid dynamics to find approximate solutions to the governing equations of fluid mechanics. Impurity and flow data will allow researchers to determine if results collected are being obstructed by high levels of impurity. Novel approaches have been developed to strike a balance between …
A Comparison Between The Efficacy Of Traditional Periodization, Undulating Periodization, And Plyometric Training And Their Lasting Effects On Performance Outcomes In Youth Athletes. A Systematic Review And Meta-Analysis, Andre Mcintyre
Electronic Theses and Dissertations
Recreational and competitive youth (≤ 16 years old) sport participation over the years has increased in recent years. As a result of increased sport participation an emphasis on sport performance training and more particularly resistance training along with plyometric training have been on the rise. Resistance training and plyometric training can improve sports performance, rehabilitate injuries, prevent injuries, and enhance long-term health in adolescent athletes. Resistance training can be periodized numerous different ways, but the most popular training methods are traditional periodization, undulating periodization, and plyometric training. This systematic review and meta-analysis examined studies that compared traditional periodization, undulating periodization, …
Relationship Of Weight-Related Eating Behaviors And Weight-Loss Of Participants In A Proprietary Weight-Loss Program, Megan Tschakert
Relationship Of Weight-Related Eating Behaviors And Weight-Loss Of Participants In A Proprietary Weight-Loss Program, Megan Tschakert
Electronic Theses and Dissertations
The aim of this study is to evaluate weight-related eating behaviors of participants with clinically significant weight loss (CSWL) in a proprietary weight loss program. A crosssectional sample of participants (n=1,454) enrolled in a proprietary weight-loss program that includes meal replacements and health coaching were queried for weight-related eating behaviors (using Weight Related Eating Questionnaire) of routine restraint (RR), compensatory restraint (CR), susceptibility to external cues (SEC), and emotional eating (EE) in relation to CSWL (defined as having achieved a weight loss greater than 10% of starting weight). Participants were dichotomized into those with CSWL (n=973) and with no CSWL …
Maximizing Ecosystem Services Provided To The New Oil Crop Brassica Carinata Through Landscape And Arthropod Diversity, Shane Stiles
Maximizing Ecosystem Services Provided To The New Oil Crop Brassica Carinata Through Landscape And Arthropod Diversity, Shane Stiles
Electronic Theses and Dissertations
Prairies, once spanning the Upper Midwest, have now largely been replaced by agriculture. The lack of resources available to pollinators in agricultural fields and the practices employed by farmers to maximize yield has led to a decline in insect and pollinator diversity. There is a need to better understand how ecosystem services provided by a diverse insect community scale to current farming practices as they relate to crop yield. We sought to explain how landscape heterogeneity relates to insect and pollinator diversity, as well as how insect diversity relates to crop yield across common farming practices. To evaluate how farming …
The Effects Of 3d Printing Parameters And Surface Treatments On Convective Heat Transfer Performance, Lucas N. Pereira
The Effects Of 3d Printing Parameters And Surface Treatments On Convective Heat Transfer Performance, Lucas N. Pereira
Electronic Theses and Dissertations
Additive manufacturing technology and applications have quickly expanded in many industries over the last five years. As additive manufacturing is studied and refined, improvements in resolution and strength have helped propel further growth of the industry. This study focuses on an additive manufacturing technology called fused filament fabrication (FFF). FFF involves the extrusion and layer-by-layer deposition of a molten thermoplastic material to create the desired part. One potential new application of fused filament fabrication is the manufacture of heat exchangers and heat sinks. This study focuses on developing baseline experimental data related to convective heat transfer coefficients over surfaces of …
Pilot Scale Evaluation Of E. Coli Filtration Removal From Stormwater Using Recycled Steel, Jason Neville
Pilot Scale Evaluation Of E. Coli Filtration Removal From Stormwater Using Recycled Steel, Jason Neville
Electronic Theses and Dissertations
Microbial pathogens are considered one of the most important pollutants in regards to surface waters such as coastal waters, rivers and urban estuaries. Escherichia Coli (E. coli) is a bacterial microorganism found in the guts of humans and some animals that if ingested can cause diarrhea, severe stomach cramps, and vomiting. E. coli carried by stormwater runoff can deteriorate water quality of receiving bodies of water. It is necessary to develop technologies to remove E. coli from stormwater runoff to protect surface waters and public health. The use of steel byproducts as an adsorption technology is an emerging stormwater treatment …
Using Maximum Power As A Variable For 1rm Prediction In The Squat And Bench Press, Sean O'Connor
Using Maximum Power As A Variable For 1rm Prediction In The Squat And Bench Press, Sean O'Connor
Electronic Theses and Dissertations
Many Strength and Conditioning (S&C) coaches utilize a one-rep max (1RM) exercise test to gauge the maximal strength of athletes, and then prescribe resistance training programs based on a relative percentage of 1RM to obtain strength or power adaptations. However, many S&C coaches have raised questions regarding the safety and necessity of a 1RM test. Attempts to mitigate the weaknesses of 1RM testing have led to other methods of testing including repetition max testing (3RM, 5RM, 10RM, etc.) as well as load/velocity profiling. The main purpose of this study is to determine if 1RM can be accurately estimated from maximal …
African American Student-Athletes: Factors Influencing Choice Of Graduate School, Tanner Feterl
African American Student-Athletes: Factors Influencing Choice Of Graduate School, Tanner Feterl
Electronic Theses and Dissertations
Although support systems are in place for student-athletes, African Americans remain underrepresented in careers requiring a graduate education, including intercollegiate athletic departments (Okahana, Feaster, & Allum, 2016). The purpose of this qualitative, phenomenological study was to explore the factors influencing an NCAA Mid-major, Division I African American student-athletes’ choice of pursuing graduate school. Researchers identified themes utilizing Critical Race Theory (CRT) and Student Involvement Theory frameworks to explain the influencing factors. The participants consisted of nine African American sophomore, junior, and senior student-athletes who participated in different sports and were chosen using purpose sampling. Each participant took part in an …
Mass Spectrometry-Based Quantitative Proteomic Analysis Of Biological Fluids, Patience Akosua Afedi
Mass Spectrometry-Based Quantitative Proteomic Analysis Of Biological Fluids, Patience Akosua Afedi
Electronic Theses and Dissertations
Proteomics is a high-throughput approach to study protein expression, structure, function, interaction, post-translational modifications, and localization in a cell or tissue. Proteomic shotgun approach was used to analyze changes in proteins in bovine follicular fluid (FF) and plasma (PL) from cows with high estradiol (HE2) or low E2 (LE2) during the preovulatory period. FF creates a unique microenvironment in follicles necessary for follicle growth and oocyte maturation, and pre-ovulatory concentrations of E2 have been reported to impact several processes involved with fertility. Initial steps in the analysis involved development of an immunodepletion protocol for high abundant proteins (HAPs) in bovine …
Parents In Urbanized Areas And Their Perception Of 4-H Youth Development Programs, Matthew Ryan Olson
Parents In Urbanized Areas And Their Perception Of 4-H Youth Development Programs, Matthew Ryan Olson
Electronic Theses and Dissertations
This study examined the perceptions held by parents living in the urbanized area of Rapid City, South Dakota, to determine if artificial barriers to joining 4-H PYD programs existed. Through snowball sampling methods, nine participants were recruited to engage in semi-structured interviews. Transcripts from the interviews were coded utilizing in vivo and axial coding methods. Four themes emerged from the interviews: characteristics of youth development programs, program promotion through school flyers, barriers to joining youth development programs, and 4-H and its connection to agriculture. The major recommendation for 4-H professionals is to focus on leadership, life skills, and character development …
Our Stigmatized American Heroes: Examining How Veterans With Ptsd Communicatively Manage Stigma, Rikki A. Roscoe
Our Stigmatized American Heroes: Examining How Veterans With Ptsd Communicatively Manage Stigma, Rikki A. Roscoe
Electronic Theses and Dissertations
Mental health conditions are arguably the most prominent disabling medical condition that military service members endure. Veterans with combat-related PTSD often refrain from seeking mental health treatment due to the stigma attached. Concealing PTSD or attempting to cope without professional help can lead to extreme and lifethreatening consequences including depression, substance abuse, and suicide. Attaining a better understanding of stigma management strategies is important because it has the ability to help veterans better manage stigma in the future. Thus, the current study uses stigma management communication theory (Meisenbach, 2010) to uncover the ways in which veterans with PTSD communicatively manage …
Make The Inaugural Great Again: A Rhetorical Analysis Of Donald J. Trump’S Inaugural Address, Danielle F. Dickerson
Make The Inaugural Great Again: A Rhetorical Analysis Of Donald J. Trump’S Inaugural Address, Danielle F. Dickerson
Electronic Theses and Dissertations
In this thesis, I utilized three distinct theories (ideographs, dramatism, and the bully pulpit) to rhetorically analyze and assess President Trump’s 2017 inaugural address. Ultimately, I analyzed whether Trump deviated from Campbell and Jamieson’s (1985) presidential inaugural expectations. While the presidential inaugural address was the only text analyzed, implications were drawn from Trump’s rhetoric leading up to and within the inaugural. This thesis also analyzed Trump’s rhetoric through social media, specifically Twitter, and looked at the context surrounding the inaugural. I suggest, through my research, that Trump does deviate from the traditional framework of the inaugural address, and ultimately modernized …
Quality Evaluations Of Hard Red Spring Wheat Grown In South Dakota, Lance Merrick
Quality Evaluations Of Hard Red Spring Wheat Grown In South Dakota, Lance Merrick
Electronic Theses and Dissertations
Hard Red Spring Wheat (HRSW; Triticum aestivum L.) is characterized by generally high protein content and excellent baking and milling performance. The ability for millers, bakers, and other end-users of wheat to properly and cheaply produce food products with uniformity is dependent on the quality consistency of wheat produced by breeders and farmers. Determining how production years and locations influenced enduse quality traits will assist breeders, agronomists, and growers, in understanding which hard red spring wheat (HRSW; Triticum aestivum L.) varieties are least susceptible to quality fluctuations, and therefore, most desirable to end-users. In order to determine which varieties were …
Assessing The Impact Of Interprofessional Education On The Attitudes And Interprofessional Competencies Of Health Care Professionals: A Mixed Methods Study, Jessica L. Stadick
Assessing The Impact Of Interprofessional Education On The Attitudes And Interprofessional Competencies Of Health Care Professionals: A Mixed Methods Study, Jessica L. Stadick
Electronic Theses and Dissertations
Purpose. The purpose of this study was to assess health care professional’s interprofessional collaborative competencies and attitudes towards working in teams and to examine if differences exist between professionals who have completed formal interprofessional education (IPE) and those who have not. This study was guided by the Interprofessional Learning Continuum Model.
Background. IPE is the foundation of interprofessional collaboration. Research has shown that IPE is an effective strategy to prepare health care professionals for collaborative practice; however, preventable medical errors that result from poor collaboration continues to plague the health care system. Thus, more research is needed to better …
Cross-Sectional And Longitudinal Effects Of Glycemic Status On Body Composition, Bone, And Lipid Profile In Men Aged 20 To 66 Years: A Population-Based Study, Khaleal Almusaylim
Cross-Sectional And Longitudinal Effects Of Glycemic Status On Body Composition, Bone, And Lipid Profile In Men Aged 20 To 66 Years: A Population-Based Study, Khaleal Almusaylim
Electronic Theses and Dissertations
Pre-diabetes and type 2 diabetes (T2D) are significant public health challenges in the United States. Pre-diabetes and T2D are a multi-factorial disease characterized by genetic or environmental factors or a combination of both. There has been an upward trend over time in the prevalence of both pre-diabetes and T2D. Few epidemiological studies exist regarding the effect of baseline glycemic status on changes in body composition, bone health, and lipid profiles. To fill this critical gap, the purpose of this research was to examine both cross-sectional and longitudinal changes in glycemic status with changes in body composition, bone mass and density, …
Anabolic Hormone Exposure During Various Stages Of Growth: Effects On Post-Weaning Performance, Frame Size, And Carcass Characteristics Of Calf-Fed Steers, Wesley W. Gentry
Anabolic Hormone Exposure During Various Stages Of Growth: Effects On Post-Weaning Performance, Frame Size, And Carcass Characteristics Of Calf-Fed Steers, Wesley W. Gentry
Electronic Theses and Dissertations
The growth promoting activity of implants have been documented. However, stage of growth in which the implant is administered may alter growth performance and carcass traits. An experiment was conducted to examine the effects of administering a conventional implant (Synovex C; SYN-C), or an extended-release combination implant (Synovex One Grass; ONE-G) to suckling steer calves on weaning weight, post-weaning growth performance, and carcass characteristics. Suckling steer calves were either not implanted (NONE) or were implanted with SYN-C or ONE-G. Steer calves were predominantly 30 to 60 d of age when implants were administered. Steers were weaned 176 d post-suckling implant …
Identifying An Optimal Bald Eagle Monitoring Program For Southwest Alaska National Parks, Rebecca Kolstrom
Identifying An Optimal Bald Eagle Monitoring Program For Southwest Alaska National Parks, Rebecca Kolstrom
Electronic Theses and Dissertations
The Southwest Alaska Inventory and Monitoring Network includes bald eagle monitoring as part of their Vital Signs Monitoring Plan. Lake Clark National Park and Preserve, Katmai National Park and Preserve, Kenai Fjords National Park, and Wrangell – St. Elias National Park and Preserve monitor bald eagles annually, albeit slightly differently among parks. Since monitoring decisions involve multiple objectives and stakeholders, there was a need for a structured approach to identify an optimal monitoring program. We used a structured decision making process and an iterative, four-round Delphi Process to collect information about long-term bald eagle monitoring from experts. We collected information …
Natural Sunlight Photodegradation Of Halogenated Disinfection Byproducts In Water, Ibrahim Abusallout
Natural Sunlight Photodegradation Of Halogenated Disinfection Byproducts In Water, Ibrahim Abusallout
Electronic Theses and Dissertations
Disinfection byproducts (DBPs) presence in wastewater effluents and receiving waters may impact the quality of drinking water during water reuse practices. Natural solar photolysis is one of the biogeochemical processes that may lead to decreased DBPs concentrations in water. The purpose of this dissertation is to determine the fate of chlorinated, brominated and iodinated DBPs in surface water by natural sunlight photolysis and investigate the use of solar-based advanced oxidation processes (AOPs) for removal of DBPs in water. Total organic halogen (TOX) was used to measure total chlorinated- (TOCl), brominated- (TOBr) and iodinated-DBPs (TOI) in water. The first objective was …
Assessing Listeria Risk During Different Stages Of Ice Cream Manufacturing And Storage, Neha Singh
Assessing Listeria Risk During Different Stages Of Ice Cream Manufacturing And Storage, Neha Singh
Electronic Theses and Dissertations
Listeriosis is a life-threatening infection caused by foods contaminated with Listeria monocytogenes. Some of the major ice cream recalls in recent years reaffirm the ability of this food-borne pathogen to survive in diverse dairy processing environments and cause cross contamination. Inspection reports revealed certain lapses in implementing adequate hygienic practices for Listeria persistence in the processing environment, leading to cross contamination of ice cream. The higher levels of cross contamination of raw ice cream mix might result in random heat-injured cells when exposed to minimum heat treatment (69°C for 30 min). Evidence about the presence of injured cells in ice …
Mechanical Properties Of 3d Printed Acrylonitrile Styrene Acrylate, William Cahyadi
Mechanical Properties Of 3d Printed Acrylonitrile Styrene Acrylate, William Cahyadi
Electronic Theses and Dissertations
Several studies have been conducted on FDM 3d printed materials such as PLA (Polylactic Acid) and ABS (Acrylonitrile Butadiene Styrene), however, not for ASA (Acrylonitrile Styrene Acrylate). The use of ASA has been increasing due to its resistance to UV, heat, and some chemicals. The resistance to UV prevents the material from degrading its material properties in common outdoor conditions, whereas resistance to heat and oil prevents the material from discoloration. This combination of effects allows designers to use ASA in outdoor applications, however, material properties for ASA in the FDM 3d printing manufacturing process are not well defined. It …
The Efficacy Of Protein Supplementation On Attenuating Muscle Atrophy Following Disuse In The Collegiate Population, Leah Kroeger
The Efficacy Of Protein Supplementation On Attenuating Muscle Atrophy Following Disuse In The Collegiate Population, Leah Kroeger
Electronic Theses and Dissertations
The purpose of this study is to determine the effects of a protein supplementation protocol through a period of muscular disuse in maintaining muscle mass, strength, jump force production, and cross-sectional area in the collegiate population. Two groups of healthy collegiate participants underwent two weeks of unilateral lower limb suspension (ULLS), during which the control group consumed a normal diet and the treatment group received an additional 75 g of protein supplementation. Lean mass, strength, and force production were measured between dietary intakes at baseline and following immobilization. Muscle area was lost between both groups following ULLS (treatment, - 282.8 …
Identification And Characterization Of Stress Responsive Genes In Soybean And Sunflower, Surendra Neupane
Identification And Characterization Of Stress Responsive Genes In Soybean And Sunflower, Surendra Neupane
Electronic Theses and Dissertations
Stress responsive genes encode proteins involved in plants’ response to abiotic and biotic stresses. Among such stress responsive proteins, proteins encoded by resistance genes (R genes) or nucleotide binding site-leucine-rich repeats (NBS-LRRs) and mitogen-activated protein kinases (MAPKs) are the major groups of proteins regulating biotic and abiotic stresses, respectively. Previous studies in Nepal’s lab at SDSU identified and characterized coiled coil (CC)-NBS-LRRs (CNLs), resistance to powdery mildew8 (RPW8)-NBS-LRRs (RNLs), NBS-LRR (NLs), and MAPK proteins in soybean. This study focuses on R and MAPK genes in the recently sequenced genome of sunflower as well as the toll-interleukin-1 receptor-like nucleotide-binding site leucine-rich …
Effects Of Oats And Distiller’S Dried Grains Fibers On Fortification Of Asian Noodles – Evaluation Of Glycemic Response, Noodle Quality And Nutritional Composition, Kara Konst
Electronic Theses and Dissertations
The objective of this study was to develop Asian wheat noodle formulations enriched with oat flour and corn DDG at 10, 20 and 30 % wheat flour replacement levels and to evaluate the effects of this fiber and protein enrichment on the glycemic response of human subjects. We hypothesized that the addition of high-fiber oats and high-fiber, high-protein DDG will have synergistic effects in lowering the glycemic response in human subjects. In this study, steamed instant Asian noodles were prepared with DDG(D) and oats(OF) in combination with all-purpose wheat flour(W) in the following flour blends: (W:D) 90:10, (W:OF) 90:10, (W:D) …
Land Cover Changes Within And Around Protected Areas In Côte D’Ivoire From 1986 To 2017: A Case Study Of The Mabi-Yaya-Songan-Tamin Reserved Forests, Olena Boiko
Electronic Theses and Dissertations
Tropical forests mitigate climate change, provide habitat for the most biologically diverse terrestrial communities, and yield ecosystem services that support human wellbeing. These forests are some of the most threatened ecosystems because of the increasing human impact on the environment. Côte d’Ivoire has one of the highest deforestation rates in sub-Saharan Africa, and the expansion of agriculture to produce cash crops, such as cocoa and rubber, is presented as the primary reason for forest loss. These changes are apparent even within the boundaries of the protected areas, which raises concerns about the effectiveness of the protection strategies. This project illustrates …
Effect Of Water Velocity And Temperature On Energy Use, Behavior, And Mortality Of Pallid Sturgeon Scaphirhynchus Albus Larvae, Joseph Thomas Mrnak
Effect Of Water Velocity And Temperature On Energy Use, Behavior, And Mortality Of Pallid Sturgeon Scaphirhynchus Albus Larvae, Joseph Thomas Mrnak
Electronic Theses and Dissertations
Pallid Sturgeon Scaphirhynchus albus are a federally endangered species endemic to the Missouri River basin. Natural reproduction has been limited for decades and a recruitment bottleneck is hypothesized to occur during the larval stage of development. Understanding factors that affect survival of Pallid Sturgeon larvae is key given their critical status and ongoing recovery efforts. In this study, I evaluated the effects of water velocity and temperature on energy use, behavior, and mortality of endogenously feeding Pallid Sturgeon larvae (< 25 mm TL). In the first experiment, I examined the effect of water velocity (0 – 8.3 cm s−1) on larval growth, energy density, swimming activity, and mortality. Larval growth rate at 16.3 °C was similar across …
Effect Of Mineral Ions On The Functional Properties Of Starch Films, Aliza Sigdel
Effect Of Mineral Ions On The Functional Properties Of Starch Films, Aliza Sigdel
Electronic Theses and Dissertations
Essential minerals are indispensable inorganic micronutrients that modulate vital physiological functions at the molecular level. Their deficiency, though required in small amounts, impairs health significantly. Their supplementation through diet is prudent and carbohydrates standout as favorable choice. Carbohydrates, starches and polysaccharides, exhibit unique chemical structures and functionalities, and interact with mineral ions in several ways. The aim of this research is to investigate the effect of mineral ions on the physicochemical properties, tensile strength and in vitro starch digestion of starch-films. Corn starch and potato starch along with Fe2+, Mn2+, Cu2+ and Zn2+ ions have been chosen as model starch …
Repairable Moment-Resisting Steel Buildings, Heath William Pederson
Repairable Moment-Resisting Steel Buildings, Heath William Pederson
Electronic Theses and Dissertations
Current seismic design codes ensure life safety for buildings, but structural members may significantly yield or even fail under strong earthquakes. A new design approach is to implement connections that localize the yielding and failure to fuses. A more sophisticated approach is to be able to replace the fuses after the event. The present study was carried out to develop repairable moment-resisting (MR) connections for steel buildings and to investigate their seismic performance through nonlinear finite element analyses (FEA). Two details were proposed using buckling restrained fuses (BRFs) and buckling restrained reinforcement (BRR). Test data was collected from the literature …
Comparative Assessment Of The Flow State Scale And The Work-Related Flow Inventory: A Relative Weights Analysis, Samantha Gildemeister
Comparative Assessment Of The Flow State Scale And The Work-Related Flow Inventory: A Relative Weights Analysis, Samantha Gildemeister
Electronic Theses and Dissertations
Flow experiences, or optimal experiences of intense concentration and enjoyment, were originally measured using qualitative measures. More recently, quantitative measures such as the Flow State Scale (FSS) and the Work-Related Flow Inventory (WOLF) allowed for structural assessment of the construct, but the vague definition of flow led to variability in the foundation of the measurement. As such, this study aimed to investigate the extent of overlap between the FSS and the WOLF at the factor level in a sample of working adults. Specifically, we investigated the relation between the nine FSS factors and the three WOLF factors using confirmatory factor …