If an experiment were being conducted involving noise levels (high or low), and its impact on student test scores, noise levels would be the ______ variable.
If an experiment were being conducted involving noise levels (high or low), and its impact on student test scores, student test scores would be the ______ variable.
A selected segment of a group that closely parallels the population as a whole in terms of the key variables under examination.
Key features of ______ include: willingness to change with new evidence, ruthless peer review, taking account of all new discoveries, inviting criticism, verifiable results, limiting claims of usefulness, and accurate measurement.
Researches studied the effects of playing music on bean seeds to determine if it increases the germination rate. Using random assignment and carefully controlled conditions, they were successful in establishing ______.
An experimental study that does not include random assignment to groups, usually involving some kind of intervening factor in one group population.
A subset of a population in which each member of the subset has an equal probability of being selected.
A method of sampling that involves the division of a population into smaller sub groups known as strata, from where the participants are then chosen from.
Verticales
A group of individuals or objects that share common characteristics that are of interest to the researcher(s).
In contrast to (8 Across), key features of ______ include: fixed ideas, no peer review, selecting only favorable discoveries, seeing criticism as conspiracy, non-repeatable results, claiming widespread usefulness, and "ball-park" measurement.
What type of study shows the relationship, or association, between two variables?
A researcher creates a scatter plot to measure the association between two variables. If the dots along the sloped line are close to each other and the line, they indicate a strong ______.
If a student were being conducted to understand the relationship between activity levels and weight fluctuation, a participant's diet could be a potential ______ variable.
A study done that includes an independent and dependent variable, random sampling, and is seeking to find a case and effect relationship between variables is called an ______ study.
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