A researcher records students’ heights to the nearest decimal point. Height is most appropriately classified as:
Height can take continuous numerical values.
Is this answer helpful and correct?
0 agree0 disagree
Which is most clearly a categorical variable?
Educational level is categorical.
Is this answer helpful and correct?
0 agree0 disagree
Students receiving a new teaching method also happen to receive substantially more parental support. Parental support may therefore act as a:
Parental support may confound the teaching method effect.
Is this answer helpful and correct?
0 agree0 disagree
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.
Is this answer helpful and correct?
0 agree0 disagree
Which variable is deliberately held constant throughout an experiment?
Controlled variables are deliberately held constant.
Is this answer helpful and correct?
0 agree0 disagree
A researcher maintains the same temperature in every experimental trial. Temperature is a:
A variable held constant is controlled.
Is this answer helpful and correct?
0 agree0 disagree
Test anxiety is proposed as an abstract process linking memory capacity with test performance. It represents a:
It is an abstract linking process.
Is this answer helpful and correct?
0 agree0 disagree
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.
Is this answer helpful and correct?
0 agree0 disagree
Which statement best distinguishes a moderating variable from an intervening variable?
A moderator affects relationship strength; an intervening variable explains a link.
Is this answer helpful and correct?
0 agree0 disagree
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.
Is this answer helpful and correct?
0 agree0 disagree
A researcher deliberately changes the amount of instructional time and observes its effect on achievement. What is being manipulated?
Instructional time is deliberately varied.
Is this answer helpful and correct?
0 agree0 disagree
Which pairing is incorrect?
The independent variable is not the outcome.
Is this answer helpful and correct?
0 agree0 disagree
In the same study, students’ achievement is the:
The measured outcome is the dependent variable.
Is this answer helpful and correct?
0 agree0 disagree
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.
Is this answer helpful and correct?
0 agree0 disagree
Which skill is involved throughout the planning and conduct of research?
Writing is used throughout research planning and reporting.
Is this answer helpful and correct?
0 agree0 disagree
Viewing a research problem as a puzzle mainly emphasizes:
Research components fit together like a puzzle.
Is this answer helpful and correct?
0 agree0 disagree
Which stage normally follows identification of the research problem?
Literature review typically follows problem identification.
Is this answer helpful and correct?
0 agree0 disagree
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.
Is this answer helpful and correct?
0 agree0 disagree
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.
Is this answer helpful and correct?
0 agree0 disagree
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.
Is this answer helpful and correct?
0 agree0 disagree
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.
Is this answer helpful and correct?
0 agree0 disagree
A researcher critically examines all collected evidence before interpreting the findings. Which characteristic is most directly demonstrated?
Critical examination of evidence reflects analytical rigor.
Is this answer helpful and correct?
0 agree0 disagree
Which situation most seriously threatens the controlled nature of an experiment?
Uncontrolled simultaneous changes threaten experimental control.
Is this answer helpful and correct?
0 agree0 disagree
An educator uses research findings to adopt a more effective classroom strategy. This demonstrates research’s contribution to:
Research can directly improve educational practice.
Is this answer helpful and correct?
0 agree0 disagree
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.
Is this answer helpful and correct?
0 agree0 disagree