During the content and methods phase, curriculum developers primarily decide:
The content and methods phase deals with subject matter selection and instructional approaches.
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During curriculum planning, the primary concern is to:
Planning focuses on identifying needs and formulating educational objectives.
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Which phase generally comes first in the curriculum development process?
Curriculum development begins with planning, including needs assessment and objective setting.
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A pilot study is conducted before the main investigation primarily to:
Pilot studies test feasibility, instruments, and procedures before the full study.
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Extreme scores tend to become less extreme when participants are tested again. This phenomenon is:
Regression to the mean is the statistical tendency for extreme scores to move closer to the average on retesting.
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A result is statistically significant at p < .05. Which interpretation is most accurate?
A p-value is the probability of obtaining results at least as extreme as observed, assuming the null hypothesis and model are true; it is not the probability the hypothesis is true.
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A researcher combines classroom observations, interviews, and achievement records to investigate instructional quality. This strengthens the study through:
Triangulation uses multiple data sources or methods to strengthen credibility.
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A pretest influences students’ performance on a subsequent posttest. This threat to internal validity is called:
The pretest itself can sensitize or provide practice, affecting posttest performance; this is the testing effect.
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A researcher interviews teachers until additional interviews produce no substantially new themes. This point is known as:
Theoretical saturation occurs when new data no longer generate new insights or themes.
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The effect of teaching method on achievement differs depending on students’ prior ability. Prior ability functions as a:
A moderator changes the strength or direction of the relationship between independent and dependent variables.
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A researcher examines whether motivation explains the relationship between teacher feedback and academic achievement. Motivation is a:
A mediator explains or accounts for the relationship between predictor and outcome.
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In a quasi-experimental study, intact classrooms are assigned different teaching methods. The principal concern is:
Quasi-experimental designs lack random assignment, so pre-existing group differences threaten internal validity.
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A researcher randomly assigns students to two teaching methods. Random assignment primarily helps to:
Random assignment balances known and unknown confounders across groups, reducing selection bias.
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A study investigates the relationship between study hours and examination marks without manipulating either variable. It is primarily:
No manipulation occurs; the researcher examines an association between variables, so it is correlational.
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A researcher selects every 20th name from a student register after randomly choosing the first name. The sampling method is:
Systematic sampling selects every kth element after a random start.
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Cronbach’s alpha is commonly used to examine:
Cronbach's alpha estimates internal consistency among items measuring the same construct.
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A researcher administers the same questionnaire to the same participants twice and obtains highly consistent results. This primarily assesses:
Test-retest reliability checks stability of scores over repeated administrations.
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Two independent raters assign nearly identical scores to students’ essays using the same rubric. This indicates high:
Inter-rater reliability is consistency between different raters or judges.
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A researcher claims that a test measures critical thinking, but its items mainly assess memorization. Which validity is most directly questioned?
Construct validity concerns whether a test actually measures the theoretical construct it claims to measure.
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An aptitude test successfully predicts students’ academic performance two years later. This demonstrates:
Predictive validity is demonstrated when a test predicts a future criterion.
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A researcher compares a new aptitude test with an established test measuring the same construct at the same time. This assesses:
Concurrent validity compares a new measure with an established criterion measured at approximately the same time.
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A mathematics test includes questions from every major topic specified in the syllabus. This primarily establishes:
Content validity is the extent to which test items represent the full syllabus or domain.
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A test consistently produces similar scores but fails to measure the intended construct. This test possesses:
Reliability is consistency; validity is measuring the intended construct. Consistent but invalid means high reliability and low validity.
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Choose the antonym of Profligate:
Profligate describes wasteful, extravagant spending, making “frugal” the antonym, describing careful, economical behavior that avoids unnecessary expenditure and conserves resources wisely.
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