19 Questions
What does Cohen's d measure in a research study?
Magnitude of effect of the independent variable on the dependent variable
When is the need for a higher significance level in statistical analysis justified?
Sometimes, depending on the context
Which type of validity assesses how well an experiment represents real-world situations?
Face validity
What is one indicator of construct validity that focuses on ensuring the experiment covers all relevant aspects of the concept being studied?
Content validity
What type of validity examines whether the experimental conditions are causing the observed effects rather than other variables?
Internal validity
What concept in biopsychology refers to the debate over whether genetics or environment plays a larger role in behavior?
Nature vs. nurture
What is one reason why federally mandated committees review human research proposals?
To assess the ethical considerations involved in the research
What is the purpose of using r2 in statistics rather than just r?
To determine the shared variance in the sample
What does the standard regression equation y = mx + b represent?
The line of best fit for predicting y based on x
What does a significance level of p < 0.05 indicate in statistics?
The likelihood of obtaining results due to chance is less than 5%
Which measure tells you how wide the normal curve is and how much variance there is in your data?
Standard deviation
Why do researchers need to obtain informed consent from participants in human research studies?
To protect participants' rights and well-being
Which of the following is NOT a feature of good science?
Reliability
In psychological research, which type of variable is directly manipulated by the researcher?
Operational Variable
What type of method aims to describe behaviors, predict behaviors, determine causes of behaviors, and influence/control behaviors?
Applied research
What is the main issue associated with correlation studies?
Confounding variables
Which type of research involves understanding basic mechanisms and genetics?
Animal models research
What is the relationship between two variables that have a perfect negative correlation?
-1
"Theory" in scientific use differs from common use as it aims to:
Generate new knowledge
Test your knowledge on Cohen’s d for effect size, the significance level for hypothesis testing, and the importance of correcting for multiple comparisons in fMRI studies. Explore the concepts of P-hacking and the critical role of construct validity in research.
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