Which feature makes a confounding variable more problematic than an ordinary extraneous variable?
Confounding occurs when an extraneous variable is linked to the independent variable.
Which variable is deliberately held constant throughout an experiment?
Controlled variables are deliberately held constant.
A researcher maintains the same temperature in every experimental trial. Temperature is a:
A variable held constant is controlled.
Test anxiety is proposed as an abstract process linking memory capacity with test performance. It represents a:
It is an abstract linking process.
An unexpected phenomenon suddenly affects the presumed cause-effect relationship during a study. According to the notes, this is most closely associated with:
An intervening variable can unexpectedly affect the relationship.
Which statement best distinguishes a moderating variable from an intervening variable?
A moderator affects relationship strength; an intervening variable explains a link.
Age changes the strength of the relationship between exercise and resting heart rate. Age is functioning as a:
Age moderates the strength of the relationship.
A researcher deliberately changes the amount of instructional time and observes its effect on achievement. What is being manipulated?
Instructional time is deliberately varied.
A researcher investigates the effect of a teaching method on students’ achievement. The teaching method is the:
The manipulated presumed cause is the independent variable.
Which skill is involved throughout the planning and conduct of research?
Writing is used throughout research planning and reporting.
Viewing a research problem as a puzzle mainly emphasizes:
Research components fit together like a puzzle.
Which stage normally follows identification of the research problem?
Literature review typically follows problem identification.
A researcher obtains permission from the school board, district official, principal, teacher, students, and parents. These individuals primarily function as:
They control access and participate in the study.
A school district refuses a proposed study because it would consume a considerable amount of instructional time. The decision primarily reflects concern about:
Research should minimize disruption to the setting.
A researcher enters a school without permission to collect data. Which principle in the notes is most directly violated?
Permission is part of respecting the research site.
A researcher ensures that conclusions are based on evidence rather than personal preference. This primarily reflects research being:
Conclusions based on evidence reflect objectivity and lack of bias.
A researcher critically examines all collected evidence before interpreting the findings. Which characteristic is most directly demonstrated?
Critical examination of evidence reflects analytical rigor.
Which situation most seriously threatens the controlled nature of an experiment?
Uncontrolled simultaneous changes threaten experimental control.
An educator uses research findings to adopt a more effective classroom strategy. This demonstrates research’s contribution to:
Research can directly improve educational practice.
A researcher investigates a population that has never previously been studied. The most immediate contribution of the study may be to:
Studying an unstudied population fills a knowledge gap.
Which sequence best reflects the general three-step conception of research in the notes?
Research begins with a question, collects data, and provides an answer.
Research produces evidence that contradicts an accepted explanation. Its contribution most directly involves:
Contradictory evidence can lead to theory revision.
A study systematically collects, analyzes, interprets, and documents evidence according to an appropriate methodology. What most fundamentally qualifies it as research?
Research is fundamentally systematic inquiry.