Why intuition and folk psychology mislead us, how confirmation bias works, and the scientific skepticism psychologists use instead. #psychology #psychologyundergrad #psychstudent #confirmationbias #researchmethods

How the scientific research cycle works in psychology, who conducts it, and the difference between basic and applied research. #psychology #psychologyundergrad #psychstudent #researchmethods

The moral foundations of ethical research: informed consent, the Milgram obedience study, the Tuskegee syphilis study, and weighing risks against benefits. #psychology #psychologyundergrad #psychstudent #researchethics #informedconsent

The difference between phenomena and theories, what scientific theories are for, replication, and why there are always multiple theories for any set of phenomena. #psychology #psychologyundergrad #psychstudent #researchmethods

Psychological measurement explained: constructs, conceptual vs operational definitions, self-report and behavioural measures, and the four levels of measurement (nominal, ordinal, interval, ratio). #psychology #psychologyundergrad #psychstudent #researchmethods

Reliability (test-retest, internal consistency, inter-rater) and validity (face, content, criterion, discriminant) of psychological measurement, explained with clear examples. #psychology #psychologyundergrad #psychstudent #reliabilityandvalidity #researchmethods

How to design an experiment: between-subjects vs within-subjects, random assignment, control conditions, carryover effects, and counterbalancing. #psychology #psychologyundergrad #psychstudent #experimentaldesign #researchmethods

Conducting experiments in psychology: recruiting participants, standardizing procedures, avoiding confounding variables, manipulation checks, and single- and double-blind designs. #psychology #psychologyundergrad #psychstudent #confoundingvariable #researchmethods

What correlational research is, when to use it, the directionality and third-variable problems, and why correlation does not prove causation. #psychology #psychologyundergrad #psychstudent #correlationvscausation #researchmethods

Complex correlational designs in psychology: multiple regression, partial correlation, factor analysis, and mediator vs moderator variables. #psychology #psychologyundergrad #psychstudent #multipleregression #researchmethods