of a teenage mother‚ I have always been concerned with the contributing factors‚ which can cause adolescent pregnancy. I think that adolescent fertility rate and GDP per capita are very key variables and that they could have a strong negative correlation. Also‚ I will be able to draw other conclusions from the variables I have selected‚ and will be able gain insight into additional topics from certain countries. An example of this would be if a particular country has an exceptionally low GDP per
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a response variable Y at each of several times. A scatterplot of log Y versus time of measurement looks approximately like a positively sloping straight line. We may conclude that (a) the correlation between time of measurement and Y is negative‚ since logarithms of positive fractions (such as correlations) are negative. (b) the rate of growth of Y is positive but slowing down over time. (c) an exponential curve would approximately describe the relationship between Y and time. (d) a power
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A research design encompasses the method and procedures employed to conduct scientific research. The design of a study defines the study type (descriptive‚ correlational‚ semi-experimental‚ experimental‚ review‚ meta-analytic) and sub-type (e.g.‚ descriptive-longitudinal case study)‚ research question‚ hypotheses‚ independent and dependent variables‚ experimental design‚ and‚ if applicable‚ data collection methods and a statistical analysis plan. Contents [hide] 1 Design types and sub-types
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Chapter 1 hindsight bias - Tendency to believe that after learning an outcome‚ that we would’ve foreseen it. Once we’re told something‚ it seems obvious. hindsight bias and overconfidence often lead us to overestimate our intuition scientific inquiry‚ curious skepticism‚ and humility can help shift to reality critical thinking - thinking that doesn’t blindly accept arguments and conclusions. Rather‚ it examines assumptions‚ discerns hidden values‚ evaluates evidence‚ and assesses conclusions
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os association as no relationship‚ weak relationship‚ moderate relationship‚ or strong relationship. If a consistent and systematic relationship is not present‚ then there is no relationship. 2. Explain the difference between association and causation. It depends if we have a linear relationship‚ which means the strength
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explanatory correlation‚ direct observation‚ case study and experimental research are the four methods I will be discussing. Correlation mathematically measures the degree between two variables. When one variable increases due to the increase in the second variable this positive‚ however when one variable increases due to a decrease in the second variable this is negative. “The relationship between two variables is rarely perfect.”(26) The strengths in this research are (1) the better the correlation between
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2013-2014 Journal of Clinic Investigation released the results of an in vitro study that analyzed the results of increased sugar uptake and oncogenesis (cancer creation). The results demonstrated that increased glucose uptake had a direct and positive correlation to the early phases of cancer cell production. Moreover‚ a 1985 study on sugar and the risk of large bowel cancer found that patients with high intakes of sugar were more predisposed to the development of cancer than patients with lower intakes
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Belsky and Rovine (1988) conducted a study in order to assess attachment using the strange situation technique. They observed infants who had been receiving 20 hours or more of day care per week before the age of 1. Their findings suggested that‚ in comparison to children at home‚ these children were more often insecurely attached. With insecure attachments being associated with poorer social relationships this may be considered a negative effect of day care. The NICHD started a longitudinal study
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This story is interesting for three reasons. • First‚ it raises the question about the potential impact of facebook upon students time‚ and ultimately their academic performance. • Second‚ it illustrates the age old problem of correlation vs. causation. The inclination is to assume that facebook usage is causing lower academic performance because students are wasting valuable time. But of course‚ this could also be that lower performing students have always found ways to waste time‚ and
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HEALTH PSYCHOLOGY REVIEW QUESTIONS 1. What is the field of health psychology? Identify and explain three reasons why this field emerged. The field of health psychology is a new division of the American Psychological Association (1978) that stated that health and illness are influenced by biology and psychological and social factors It is focused on promoting and maintaining health as well as prevention of illnesses and treatment The three reasons why this field emerged are: Shift in
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