Practice mode / Psychology What is a cross-sectional study? A Option A: Different age groups are tested at the same time B Option B: The same people are retested over a period of years C Option C: The behaviour of a group is assessed by different researchers D Option D: Different characteristics of a given individual are assessed at the same time Correct answer A. Different age groups are tested at the same time Explanation A cross-sectional study compares people of different ages at a single point in time, whereas a longitudinal study follows the same people over many years. Show answer Report a problem Answer checked 11 October 2026 · How we write and check questions
Question 01 / Psychology Why do psychologists study animals? A Option A: Experiments on people are generally considered unethical B Option B: Animal behaviour is just as complex as human behaviour C Option C: Similar processes often underlie animal and human behaviour D Option D: Professional guidelines do not require ethical treatment of animals Correct answer C. Similar processes often underlie animal and human behaviour Show answer Open question
Question 02 / Psychology What is the first task of psychology to observe carefully and describe objectively? A Option A: Animals B Option B: Social institutions C Option C: Symptoms of abnormality D Option D: Behaviour Correct answer D. Behaviour Show answer Open question
Question 03 / Psychology What is an independent variable? A Option A: A variable that is independently verified B Option B: A variable whose value depends on that of the dependent variable C Option C: The only variable of interest D Option D: The variable that is manipulated by the experimenter Correct answer D. The variable that is manipulated by the experimenter Show answer Open question
Question 04 / Psychology What is a scholarly summary of the research on a particular topic called? A Option A: Literature review B Option B: Meta-analysis C Option C: Case history D Option D: Theory Correct answer A. Literature review Show answer Open question
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