Psychology Mcqs

Practice MCQs under Psychology Mcqs. 3624 available Open paginated MCQ list →

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1.Which of the following is a fundamental ethical principle that psychological researchers must follow?

Making sure that participants join the study without their consentInflicting harm on subjects if deemed necessaryReducing the level of privacy protection for participantsSharing the study findings and their explanations with the participantsIgnoring participant feedback after the study

2.What is the most accurate definition of a double-blind experimental design?

Every participant undergoes the experimental treatment.Participants are split evenly; one group receives the treatment, the other a placebo, and only the researcher knows who gets which.Participants are divided equally between treatment and placebo groups, with neither the participants nor the researchers aware of who receives which.All participants are assigned to the control condition.None of the above.

3.A friend claims that since he started taking vitamin C, he hasn't caught a single cold. Why is his personal experience not a reliable way to evaluate the effectiveness of vitamin C?

There was no comparison group to evaluate the results againstHe failed to compute a correlation coefficientThe observer's presence influenced the outcomeHe did not mention the amount of vitamin C consumedHis age and health status were not considered

4.In an experimental study, what is the independent variable?

the participant involved in the studyan observed behavior of the participantthe factor that the researcher deliberately changesany extraneous factor that might negatively influence the participant's results

5.What do psychologists create to effectively summarize and structure a collection of observations?

6.Gathering measurable evidence, ensuring clear definitions, and achieving reproducible results are fundamental components of which process?

7.What is a benefit of using the experimental approach in psychology?

It allows researchers to establish cause-and-effect connections.Like correlational studies, it helps determine causal links.The environment closely mimics real-world situations.It serves as an informal technique for exploring behavior.It guarantees results that apply universally.

8.In a classical learning experiment, when examining how practice influences performance, which type of variable is performance considered?

9.What does a correlation coefficient of zero indicate about the relationship between two variables?

There is a strong negative association between the two variablesThere is a strong positive association between the two variablesThere is a perfect positive association between the two variablesThere is no association between the two variables

10.A scientist observes that crime rates in a metropolitan area vary according to the lunar phases. He concludes that the moon's gravitational force affects human actions. What mistake has he made in his reasoning?

He mistakenly assumed causation implies correlationHe wrongly deduced causation based on a correlationHe neglected to quantify the moon's gravitational influence to support his claimHe ignored the impact of the placebo effectHe failed to account for seasonal crime trends

11.Which term best describes the relationship where students with higher high school performance also tend to achieve better results in college?

12.Which correlation coefficient below represents the most powerful association between two variables?

-0.980.900.001.20

13.What is a significant drawback of using the experimental approach in research?

It is impossible to secure funding from private sources.Research methods frequently fail to receive approval from ethical review boards like the APA.The method tends to involve a level of artificial conditions.Locating participants for studies is often challenging.

14.What is the primary purpose of having a control group in a scientific experiment?

To enable the formulation of mathematical modelsTo serve as a baseline for comparing the results of the experimental groupTo ensure all outside variables are completely removedTo make the experiment optionalTo increase the sample size for better accuracy

15.Which of the following is considered the strongest method for conducting research?

16.What is the name of the statistical method that integrates findings from multiple research studies?

experimental correlationlinear statistical analysismeta-analysishypothetical evaluation

17.In an experiment examining whether music enhances learning, students' test results are compared between those who study with music and those who study quietly. Which factor represents an extraneous variable in this study?

18.In a study examining whether background music enhances learning, two groups review identical content, with one group exposed to music. What is the independent variable in this experiment?

19.Which of the following is one of the three primary ethical issues faced by psychological researchers, alongside deception and causing lasting harm to participants?

Ethical standing of the study subjectPotential reduction in future research opportunitiesManipulation of data outcomesBreach of participants' privacyNone of the above

20.A researcher tests a medication aimed at reducing hallucinations and reports the findings as "statistically significant." What does this term typically imply?

Although proper statistical methods were applied, no measurable difference was found between the treatment and control groups.The outcomes hold substantial importance for theoretical understanding or practical application.The likelihood that the observed difference between treatment and control groups occurred by random chance is 5% or less.The observed differences between the groups are so pronounced that they could not have happened by chance.

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