Positive Relationship
A positive relationship, or positive correlation, occurs when higher scores on one variable tend to be associated with higher scores on another variable. On a scatterplot, this is visually represented by data points that generally trend upward from the lower left to the upper right of the graph.
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Perfect Positive Correlation
Zero Correlation
A researcher investigates the relationship between the number of hours a student spends playing video games per week and their grade point average (GPA). The study yields a correlation coefficient of r = -0.65. Which statement provides the most accurate analysis of this finding?
Verbal Descriptions of Correlations
Negative Relationship
Positive Relationship
Pearson's r
Negative Relationship
Positive Relationship
Linear Relationship
Nonlinear Relationship
When psychological researchers examine a statistical relationship to determine how variations in one continuous, measurable quantity correspond to changes in another, what type of variables are they investigating?
A researcher who examines how variations in the number of hours participants sleep each night correspond to changes in their reaction times in milliseconds is investigating a relationship between quantitative variables.
A psychological researcher is examining how different measurable characteristics relate to one another in a sample of adults. Match each research finding with the type of relationship it describes between the two quantitative variables.
A psychological researcher is investigating the relationship between two continuous variables: 'Daily Physical Activity' (measured in minutes) and 'Resting Heart Rate' (measured in beats per minute). Arrange the following analytical steps in the correct logical sequence to evaluate the statistical connection between these two quantitative measures.
A psychological researcher is constructing a new research protocol to investigate the statistical relationship between 'Exercise Intensity' and 'Sleep Quality'. To correctly synthesize a design that evaluates the connection between two 'quantitative variables', which of the following hypotheses should the researcher formulate?
In psychological research, a statistical relationship between quantitative variables is characterized by comparing the difference in means between distinct, categorical groups.
A psychological researcher is planning several studies to examine different types of statistical relationships. Match each research question with the description of the variables involved in that relationship.
A researcher compares two studies on relationships between quantitative variables. Study A found a correlation of between 'Hours of Sleep' and 'Reaction Time,' while Study B found a correlation of between 'Study Time' and 'Test Score.' The researcher concludes that Study B shows a stronger relationship because its coefficient is positive. This researcher is failing to evaluate the _____ of the correlation coefficients.
A researcher is analyzing a study where participants' screen usage (in minutes) and sleep duration (in hours) are recorded. Instead of comparing categorical group means, this study evaluates the correlation between two continuous, _____ variables.
A researcher wants to evaluate a statistical relationship between two continuous, quantitative variables. Arrange the steps of this evaluation process in the correct logical sequence, from first to last.
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Examples of Positive Correlation
Visual Example of Positive Correlation: Height and Weight
A psychologist conducts a study and finds that as the number of hours people spend on social media per week increases, their self-reported feelings of loneliness also tend to increase. Which of the following terms best describes the relationship found between these two variables?
Example of Positive Correlation: Height and Weight
Example of a Positive Correlation: Stress and Physical Symptoms
Example of a Positive Relationship: Rosenberg Self-Esteem Scale Scores
In psychological research, how is a positive relationship between two variables defined?
In a positive relationship between two variables, such as 'test anxiety' and 'heart rate,' a participant who scores lower than average on the first variable would generally be expected to also score lower than average on the second variable.
Researchers have identified a positive relationship between 'Self-Esteem' and 'Academic Achievement.' Match each specific research finding or data visualization from the study to the core characteristic of a positive relationship it demonstrates.
A researcher identifies a positive relationship between 'Level of Social Support' and 'Post-Traumatic Growth.' Sequence the following participant descriptions to reflect their correct relative positions on a scatterplot, starting with the point that would be located in the lower-left quadrant and ending with the point in the upper-right quadrant.
You are developing a research protocol and need to generate a hypothetical data set for three participants () that would accurately illustrate a positive relationship between 'Sense of Belonging' () and 'Academic Motivation' (). Which of the following sets of operationalized values (, ) should you create to represent this specific trend?
In a positive relationship, higher scores on one variable tend to be associated with lower scores on another variable.
A researcher is reviewing a peer's report which claims: 'Because participants with the lowest levels of Social Support also demonstrated the lowest levels of Well-being, the two variables share a negative relationship.' Based on the standard criteria for defining the direction of co-variation, the researcher should evaluate this claim as incorrect because the described pattern actually represents a(n) _____ relationship.
A psychology student is graphing data from three different studies to identify visual trends. Match each research scenario to its corresponding scatterplot pattern or definition of a positive relationship.
A researcher is analyzing a scatterplot of Rosenberg Self-Esteem Scale scores and subjective well-being. They note that the data points generally trend upward from the lower left to the upper right, meaning that participants with higher self-esteem scores also tend to report higher well-being. To accurately describe the direction of this statistical relationship, the researcher should conclude that there is a _____ relationship between self-esteem and well-being.
A researcher is evaluating a draft of a scatterplot for a study showing a positive relationship between height () and weight (). To verify that the data points are plotted correctly along the positive trend, the researcher must check the positions of four participants (). Evaluate the participants' scores and order them as they should appear on the scatterplot, starting from the lower-left corner (1) and moving to the upper-right corner (4).