Learn Before
Kanner's Study on Hassles and Symptoms
Kanner and colleagues provided an example of rejecting the null hypothesis by studying the relationship between daily hassles and psychological symptoms. They asked how likely it would be to find their sample's strong correlation of if the null hypothesis (that there is no correlation in the population) were true. Because such a strong sample relationship would be fairly unlikely under the null hypothesis, they rejected the null hypothesis in favor of the alternative hypothesis, concluding a positive correlation exists in the population.
0
1
Tags
KPU
Research Methods in Psychology - 4th American Edition @ KPU
Related
t-Test
Outcomes of a Null Hypothesis Test
Informativeness of Null Hypothesis Testing
Defense of Null Hypothesis Testing
The 2015 Ban on Null Hypothesis Testing
Effect Size
Confidence Interval
Criticisms of Null Hypothesis Testing
Mehl's Study on Talkativeness
Kanner's Study on Hassles and Symptoms
Logic of Null Hypothesis Testing
What is the primary purpose of null hypothesis testing in psychological research?
If a researcher wants to evaluate whether an observed difference between two sample groups is just a coincidence rather than a real effect, they would use null hypothesis testing.
A social psychologist is investigating the 'Bystander Effect' to see if the presence of others reduces the speed of helping. Arrange the logical steps of the Null Hypothesis Testing process in the correct order as they would be applied to this specific research scenario.
In psychological research, null hypothesis testing requires researchers to distinguish between initial assumptions, mathematical thresholds, and formal conclusions about the population. Match each term with its specific logical interpretation within this framework.
Reject the Null Hypothesis
-Test
In the field of psychological research, null hypothesis testing is recognized as the most common approach to which branch of statistics?
Null hypothesis testing involves several interconnected concepts and decision points. Match each term with the statement that best describes its role in the null hypothesis testing process.
In the formal process of null hypothesis testing, a researcher evaluates the probability () that an observed result occurred by random chance. If this probability is lower than the significance threshold (), the researcher makes the final evaluative judgment to _____ the null hypothesis.
Dr. Smith conducts an experiment on a sample of participants and finds that those who receive a new cognitive training show higher memory scores than those who do not. To evaluate whether this observed difference is likely just a fluke of random chance or if it reflects a genuine difference in the broader population, Dr. Smith should use null hypothesis testing.
Null hypothesis testing is the most common approach to _____ statistics in psychological research, serving as a structured process to decide between random chance and genuine population relationships.
Arrange the steps a researcher takes when using null hypothesis testing to evaluate a research outcome, from the initial conceptual setup to the final population-level judgment.
Learn After
In Kanner and colleagues' study on daily hassles and psychological symptoms, why did the researchers reject the null hypothesis?
Place the following steps in the correct order to represent the logical reasoning Kanner and colleagues used to conclude that daily hassles and psychological symptoms are related.
Match each element of Kanner’s study on hassles and symptoms to the specific component of null hypothesis testing logic it represents.
In Kanner and colleagues’ study, the researchers would have been required to fail to reject the null hypothesis if they had determined that their sample correlation of was actually quite likely to occur under the assumption that the null hypothesis was true.
You are formulating a research summary for a new study on the relationship between workload and burnout, modeled after the logical framework used by Kanner and colleagues. To create a scientifically valid conclusion for a population-level relationship, which of the following 'Statistical Inference' plans should you construct?
In the study conducted by Kanner and colleagues, the researchers found a strong negative correlation of between daily hassles and psychological symptoms.
Match each component of the logic used in Kanner's study to its specific role in the process of null hypothesis testing.
In Kanner and colleagues' study, the researchers concluded that a positive correlation exists in the population because they judged the null hypothesis to be a(n) _____ explanation for the observed sample correlation of .
In the logic of null hypothesis testing illustrated by Kanner and colleagues' study, the researchers rejected the null hypothesis because they analyzed their sample correlation of and determined it was _____ to occur if the null hypothesis were true.
Order the steps below to reflect the logical process Kanner and colleagues used to evaluate the relationship between daily hassles and psychological symptoms, starting with the baseline assumption and ending with the population-level conclusion.
Based on the description of Kanner and colleagues' study on hassles and symptoms, identify the two main variables studied, the exact correlation coefficient found in their sample, the definition of the null hypothesis in this context, and the final decision they made regarding the null hypothesis.
Explain the comprehension-level logic that allowed Kanner and colleagues to reject the null hypothesis in favor of the alternative hypothesis. How did the likelihood of obtaining their sample correlation under the assumption that the null hypothesis is true lead to their final conclusion about the population?
Suppose another research group replicates Kanner's study design but finds a sample correlation coefficient of only between daily hassles and psychological symptoms. Applying the logic of null hypothesis testing demonstrated in Kanner's study, what decision should this research group make regarding the null hypothesis, and why?