IBDP Psychological Concepts Quiz

Which of the following best illustrates bias in psychological research?

• Randomly assigning participants to conditions to reduce confounding variables

• A researcher interpreting ambiguous data to support their preferred theory

• Using standardized procedures to ensure replicability

• Employing double-blind techniques to prevent expectancy effects

Why is establishing causality particularly difficult in psychological research?

• Human behaviour is always determined by a single factor

• Variables in psychology rarely interact with one another

• Human behaviour is influenced by multiple interacting variables

• Correlation and causation are essentially the same in psychology

Which scenario best represents the concept of change in psychology?

• A researcher assumes personality never shifts after adolescence

• Human memory is assumed to be fixed and unalterable

• A researcher ignores developmental stages in human growth

• A study examines how mood fluctuations occur after a stressful event

What is a primary challenge of measurement in psychological research?

• Human behaviour can always be directly observed

• Behavioural data is consistent regardless of context

• Human behaviour is difficult to observe and measure objectively

• There is a single universally accepted tool for measuring all psychological variables

Why do psychologists use multiple perspectives when studying human behaviour?

• Each perspective provides partial insight, but no single one is sufficient alone

• Because one perspective fully explains human behaviour

• To avoid the influence of sociocultural factors

• To eliminate the need for empirical evidence

Which of the following best reflects a psychologist’s responsibility in research?

• Ensuring that personal beliefs guide study outcomes

• Prioritizing cost savings over participant well-being

• Balancing potential benefits with minimizing harm to participants

• Allowing deception without considering ethical principles