221 Exam 1 Review SP25

Which test would be used to compare the means of 6 separate groups of participants?

A(n) ______ is a specific prediction.

The range of the set [4, 2, 9, 1, 11, 3, 3, 6] is ____.

Informed consent does NOT need to include…

The _____ variable is what an experimenter manipulates.

What is the middle value in a set of numbers called?

A variable that systematically varies w/ the IV & gives an alternate explanation is called a(n)

This goal of science is about relating events to each other.

________ is the degree to which results can be generalized to other circumstances.

A false negative is also called what?

What kind of design can establish causal relationships?

The hypothesis that there is a relationship between two variables is the _____ hypothesis.

____ variables can only take on certain values.

A histogram visualizes the _____ of a data set.

What is the tendency to be too sure of our own correctness called?

Education level is an example of a(n) _____ variable.

If the sample size is increased, then…

Which of these types of distributions has the lowest variability?

This problem occurs when a participant is able to figure out what the researchers are expecting to find.

What is the threshold for statistical significance?

A relationship is significant if…

Which of these is a measure of effect size?

What is the umbrella term for several ways to assess how one measure is related to other measures?

This goal of science is about understanding causality.

What is the most common value in a set of numbers called?

Blood type is an example of a(n) _____ variable.

This occurs when events that are more easily remembered are judged as more probable.

Which is based on intuitive judgments of a measure?

Which involves the lack of a correlation between a measure and measures of other constructs?

The ______ definition of a variable is what it represents.

A variable that represents an individual's mental state or experience is called a _____.

______ is random variability in a statistic from sample to sample.

A ______ claim is one that can be discounted based on observed evidence.

Which method of knowing relies on logic and reasoning?

_______ is reasoning based on observation.

Which principle requires researchers to identify all possible harms participants may experience?

What is the consistency of a measure called?

The _____ is the average distance between each score and the mean.

Which involves measuring the criterion after the construct?

Which involves measuring the criterion and the construct at the same time?

A false positive is also called what?

An effect size is the ______ of a statistical relationship.

A(n) ______ is a coherent explanation of one or more phenomena.

_____ is a person's right to make their own choices and actions free from coercion.

An outlier with a very high value will result in a ____ distribution.

Which is NOT one of the 3 features of science?

Which principle requires researchers to report results accurately?

A split-half correlation may be calculated when assessing ____.

Age is an example of a(n) ______ variable.

What is the first and most basic goal of science?

Which method looks at consistency across items?

Which involves correlating a new measure with an existing measure of the same construct?

Which method of knowing is the most likely to produce valid knowledge?

Inferential statistics are used to draw conclusions about a _____ from a ______.

A z-score is the difference between one person's score and the ____ of the distribution.

Temperature in Celsius is an example of a(n) _____ variable.

Which principle requires researchers to distribute benefits and risks fairly across people?

Which test would be used to compare pretest scores to posttest scores for one group?

This goal of science is about changing behavior.

_______ is reasoning based on logic.

Which method of knowing relies on observation and experience?

What is the accuracy of a measure called?

______ variables are any variables besides the IV and the DV.

________ is the degree to which a causal relation can be inferred.

Which characteristic is NOT required of a good hypothesis?

A p-value represents the probability of…

The ______ definition of a variable is how it will be measured.

Which method looks at consistency over time?

_____ variables are measured by assigning labels.

Which principle requires researchers to obtain informed consent?