#1
Which of the following best describes a hypothesis in psychology?
A tentative explanation for observed phenomena
ExplanationHypothesis is a tentative explanation.
#2
What is the significance level commonly set for hypothesis testing in psychology?
0.05
ExplanationCommon significance level: 0.05.
#3
Which step of the scientific method involves forming a hypothesis?
Observation
ExplanationHypothesis forms after observation.
#4
What is the first step in hypothesis testing?
Formulate a hypothesis
ExplanationFormulation is the first step.
#5
Which of the following is NOT a step in hypothesis testing?
Drawing conclusions
ExplanationDrawing conclusions is not a step.
#6
In psychological research, what is the null hypothesis?
The hypothesis that states there is no effect or relationship
ExplanationNull hypothesis assumes no effect.
#7
What is the purpose of conducting hypothesis testing in psychology?
To determine if there is a significant difference or relationship
ExplanationTesting is to detect significant differences.
#8
What is the relationship between a hypothesis and a theory in psychology?
A hypothesis is a specific prediction derived from a theory.
ExplanationHypothesis is derived from theory.
#9
Which type of error occurs when the null hypothesis is incorrectly rejected in hypothesis testing?
Type I error
ExplanationType I: Incorrectly rejecting null.
#10
What is the term for a hypothesis that predicts the direction of a relationship between variables?
One-tailed hypothesis
ExplanationOne-tailed predicts direction.
#11
Which statistical test is commonly used to test hypotheses about mean differences between two or more groups in psychology?
ANOVA (Analysis of Variance)
ExplanationANOVA for mean differences.
#12
In psychological research, what is the alternative hypothesis?
The hypothesis that contradicts the null hypothesis
ExplanationAlternative contradicts null.
#13
In hypothesis testing, what does p-value represent?
The probability of obtaining the observed results if the null hypothesis is true
Explanationp-value: Probability under null.
#14
In a research study, what does it mean if the p-value is less than the alpha level?
The null hypothesis is rejected.
Explanationp-value < alpha: Reject null.
#15
Which of the following is NOT a characteristic of a good hypothesis?
Complex
ExplanationGood hypotheses are not overly complex.