QCM : Research Methods in Psychology — 9 questions

Explication

A Quasi-Experiment compares existing groups without random assignment, limiting causal inference but useful when randomization isn't feasible. Unlike true experiments, they do not manipulate variables in a controlled setting.

Explication

Field experiments occur in real-world settings, which increases ecological validity, unlike lab experiments that are conducted in controlled environments.

Explication

A Field Experiment is conducted in a natural environment, which enhances ecological validity by observing behaviors in real-world settings, unlike lab experiments that occur in controlled environments.

Explication

Wilhelm Wundt is considered one of the founding figures of experimental psychology, pioneering experimental methods in the late 19th century. (Note: The names are similar, but Wilhelm Wundt is the correct answer.)

Explication

Systematic Sampling involves selecting every nth individual from a list or sequence, providing a simple and systematic approach to sampling.

Explication

Opportunity sampling involves selecting participants that are easiest to access, often used for convenience. This differs from random sampling, which gives everyone an equal chance.

Explication

A cross-sectional study collects data at one time point from different individuals, allowing for comparisons across groups, unlike longitudinal studies which track the same individuals over time.

Explication

Case studies involve in-depth analysis of a single entity and can be longitudinal, providing rich contextual insights, unlike surveys or cross-sectional designs.

Explication

A correlation coefficient measures the strength and direction of the relationship between two variables but does not establish causality.