The mobility of low-income students who do not have access to stable housing creates numerous challenges both at home and in school. Among these challenges, academic performance certainly is one of the most important. The lack of a more permanent, familiar, and safe environment is presumed to impact home life as well as students' performance in the classroom. This research compares two groups of current and former students of Orange County Public Schools (OCPS) in Florida (1) children of families who are Habitat for Humanity (HFH) homeowners, and (2) a matched socioeconomic control group. The HFH program is designed to provide a stable, affordable housing for families who cannot acquire it through standard means. The research question is: Does stability in housing make an impact on academic performance in the particular area of FCAT scores and attendance? Data were gathered from OCPS and the HFH homeowners themselves. This data were used to evaluate the impact of HFH homeownership on students' academic environment. Results showed better attendance at school, but HFH students fared worse in FCAT performance when compared to control group especially in reading.

Socioeconomic disparities in life outcomes is a widely observed occurrence. In particular, low socioeconomic status (SES) has been related to a variety of behaviours that tend to perpetuate or even exacerbate the conditions that individuals of such social standing are already facing. The last two decades have been marked by a growing number of studies seeking to disentangle behavioural differences associated with one’s socioeconomic status that fuel the persistence of these differences. This Doctoral thesis joins the discussion by investigating a subset of behaviours associated with low SES. Three empirical chapters and one literature review seeks to answer the following questions: first, what are the consumer behaviour patterns exhibited by low SES individuals? Second, how do poverty-related thoughts influence consumption of (un)taxed temptation goods? Third, what is the effect of perceived individual control on intertemporal preferences? And fourth, how does salient socioeconomic status affect intertemporal choices regarding effort? Chapter 1 overviews literature on socioeconomic status and consumer happiness. We discuss channels through which low SES can impact consumption decisions and present main behavioural patterns of low SES consumers. Low SES has been found to have a significant impact on dietary patterns that include consumption of fruits and vegetables, foods with high calorie content, as well as consumption of temptation goods like alcohol, tobacco, and sugar-sweetened beverages. Moreover, low SES individuals also tend to engage in status-signalling behaviours, despite the scarcity of financial resources. We discuss how SES can delineate consumer happiness, in particular, regarding experiential and material goods. Finally, we review evidence on socioeconomic disparities in satisfaction with product-specific characteristics and health care as well as consumer loyalty. Chapter 2 presents an empirical investigation of the intersection between socioeconomic status and consumer behavior. In particular, we study demand for temptation goods such as alcohol, tobacco or high-calorie foods. One of the most conventional ways that governments control the consumption of these products is through taxes; however, a growing body of research shows the presence of numerous behavioral biases that might prove such fiscal policies less effective. One of these biases is related to financial worries - a concept familiar to deprived individuals. Previous studies have shown that increasing worries shift attention towards pressing needs, potentially at the cost of forward-looking decisions. We run an online experiment in which we manipulate financial worries and ask participants to choose between necessities and temptation goods in the experimental market. We also randomly impose taxes on temptation goods for a subset of participants. Results suggest that under financial worries and no taxes participants demand less temptation goods and this effect is stronger for lower income individuals. However, when taxes are introduced and financial concerns are salient, lower income participants do not react to taxes. This suggests that, on the one hand, financial worries can protect against over-consumption of temptation goods when there are no tax changes; however, low income consumers can be hurt the most when additional taxes are implemented. Chapter 3 investigates another psychological occurrence - a feeling of control - and its impact on intertemporal preferences. Generally, low SES individuals have less chances to exert control in their lives compared with high SES people. If perceived control has a substantial impact on the intertemporal choice, these disparities may have a long lasting impact that might make it harder to move up in terms of social status. In an online experiment we manipulate the feeling of control by asking participants to remember a certain situation. We vary control in terms of level - not having control vs being in full control – and type – being in a situation involving other people or a non-social situation. Afterwards, we ask participants to make intertemporal allocation decisions - either regarding a monetary experimental budget or a number of real effort tasks. We find no evidence of present bias in monetary discounting for either of the control treatments. Results are different for effort discounting: on aggregate level, participants in this condition reverse their preferences more often as they choose to perform more tasks sooner when the decision involves only future points in time, but less when the decision involves also present. Moreover, we find evidence of significant present bias in the low control condition. Allocation decisions are mediated by emotional states activated in the feeling of control manipulation: for money condition, the strongest mediator is the feeling of fear, while for effort discounting it is sadness. Overall, the results suggest that although recalling a situation of (no) control does not influence intertemporal allocation decisions regarding windfall money, it can impact decisions about the allocation of effort. Chapter 4 continues the discussion on intertemporal preferences and socioeconomic status. It is a well established that low SES is related to impatient behaviours. While many works have analyzed psychological channels which mediate this effect, such as cognitive load, stress, emotional affects, and self-control issues, this work seeks to test whether the mere salience of one’s subjective SES has an impact on intertemporal preferences regarding effort. In an online experiment, I prime participants on their SES and ask to make effort allocation decisions. I find that priming affects only low status participants: this group made more present-biased choices by postponing effort to the future even if it mean higher workload. No effect was found for nonprimed low SES participants or higher status individuals in both treatment and control groups. I conclude that even a mere act of making SES salient in your mind can have an adverse effect to low SES individuals by pushing them to postpone work to the future.

This study proposes age- and sex-specific percentiles for serum cobalamin and folate, and analyzes the effects of sex, age, body mass index (BMI), and socioeconomic status (SES) on cobalamin and folate concentrations in healthy children and adolescents. In total, 4478 serum samples provided by healthy participants (2 months–18.0 years) in the LIFE (Leipzig Research Centre for Civilization Diseases) Child population-based cohort study between 2011 and 2015 were analyzed by electrochemiluminescence immunoassay (ECLIA). Continuous age-and sex-related percentiles (2.5th, 10th, 50th, 90th, 97.5th) were estimated, applying Cole’s LMS method. In both sexes, folate concentrations decreased continuously with age, whereas cobalamin concentration peaked between three and seven years of age and declined thereafter. Female sex was associated with higher concentrations of both vitamins in 13- to 18-year-olds and with higher folate levels in one- to five-year-olds. BMI was inversely correlated with concentrations of both vitamins, whilst SES positively affected folate but not cobalamin concentrations. To conclude, in the assessment of cobalamin and folate status, the age- and sex-dependent dynamic of the respective serum concentrations must be considered. While BMI is a determinant of both vitamin concentrations, SES is only associated with folate concentrations.

The focus of this study was to examine the relationship of student participation in the Advancement Via Individual Determination (AVID) program and student academic performance. More specifically, this study was conducted to determine if there was a mean difference in student performance on the Florida Comprehensive Assessment Test (FCAT) in mathematics, reading, and writing between students who participated in the AVID program during their first two years of high school and students who had similar demographics (e.g., ethnicity, gender, and economic status) but did not participate in the AVID program for 2007-2009. The population for this study consisted of students from six high schools with certified AVID programs during the 2007-2008 and 2008-2009 school years in two central Florida school districts. Students participating in the AVID program were matched with non-AVID participants for each school site by ethnicity, gender, socioeconomic status, and tenth grade mathematics or English course. The results of this study did not indicate statistically significant differences in the FCAT mathematics and reading developmental scale score gains between the AVID and non-AVID students. However, the non-AVID students performed significantly higher on the tenth grade writing component of the FCAT. Participation in the AVID program produced no statistically significant findings for the factors of gender, ethnicity, and socioeconomic status for FCAT mathematics, reading, or writing. The findings indicated that AVID and non-AVID students could not be differentiated by FCAT performance measures in the mathematics and reading domains.

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<p>Compared to people who are White and have high socioeconomic status (SES), those who are Black and have low SES are more likely to receive suboptimal pain care. One potential contributor to these disparities is biased provider decision-making—there is compelling evidence that providers are influenced by patient race and SES when making pain treatment decisions. According to the dual process model, people are more likely to be influenced by demographic stereotypes, including implicit beliefs, when they are under high cognitive load (i.e., mental workload). One stereotype belief relevant to pain care is that Black and low SES people are more pain tolerant. Aligned with the dual process model, providers who are under high cognitive load and have strong implicit beliefs that Black and low SES people are more pain tolerant may be particularly likely to recommend fewer pain treatments to them. To test this hypothesis, I recruited physician residents and fellows (n=120) to make pain treatment decisions for 12 computer-simulated patients with back pain that varied by race (Black/White) and SES (low/high). Half of the providers were randomized to the high cognitive load group in which they were interrupted during the decision task to make conversions involving hypertension medications for another patient. Remaining providers completed the task without being interrupted. Providers’ implicit beliefs about race and SES differences in pain tolerance were measured with two separate Implicit Association Tests (IATs). Multilevel modeling indicated that providers recommended stronger medications to low than high SES patients (OR=.68, p=.03). There was also a significant interaction between patient SES and cognitive load (OR=-.56, p=.05) and a trending interaction between patient race and cognitive load (OR=1.7, p=.07). Under low cognitive load, providers recommended more pain treatments to high SES (vs. low SES) and Black (vs. White) patients, but under high cognitive load, providers recommended more pain treatments to low SES (vs. high SES) patients and equivalent treatment to Black and White patients. There were no three-way interactions between patient demographics (race or SES), cognitive load, and providers’ implicit beliefs (race-pain or SES-pain IAT scores). However, there was a trending interaction between patient race and race-pain IAT scores (OR=2.56, p=.09). Providers with stronger implicit beliefs that White people are pain sensitive and Black people are pain tolerant recommended more pain treatments to White patients and fewer pain treatments to Black patients. Lastly, there was a trending effect that providers with stronger implicit beliefs that high SES people are pain sensitive and low SES people are pain tolerant recommended stronger medications in general (OR=13.03, p=.07). Results support that provider cognitive load is clinically relevant and impacts clinical decision-making for chronic pain for racially and socioeconomically diverse patients. Future studies are needed to further understand the impact of cognitive load on providers’ pain care decisions, which may inform evidence-based interventions to improve pain care and reduce disparities.</p> <p>  </p>