Key vocabulary words with IPA pronunciation, definitions, example sentences, and interactive quizzes.
Phrases with type tags, bilingual definitions, usage notes, and example sentences.
A state of privileged seclusion or separation from the facts and practicalities of the real world.
To become popular or to start being accepted or used.
A personal reason for involvement in an undertaking or situation, especially an expectation of financial or other gain.
The later or secondary effects of an action or event.
The lead researcher who is primarily responsible for the design, conduct, and management of a research project.
Individual questions or statements within a survey or psychological test.
A process where the identity of the author is hidden from the reviewers (and sometimes vice versa) to ensure an unbiased evaluation.
A research study conducted with human participants to evaluate the safety and effectiveness of new medical treatments.
A situation where the research methods are flawed or weakened, making the results unreliable.