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Scientific Inquiry
Research Methods
Psych Stats
More Stats
Variables + Correlations
100
A prediction stated in a way that can be tested.
What is a hypothesis?
100
This research method is most effective for studying usually complex or rare phenomena.
What is a case study?
100

Mean, Median, Mode.

What is the Central Tendency?

100
In a __________ distribution, the mean, median, and mode are equal.
What is a normal distribution?
100
Studying the consumption of alcohol on midterm grades. Midterm grades is the ___________.
What is the dependent variable?
200
A broad explanation or prediction concerning phenomena of interest.
What is a theory?
200
The group of participants that do not receive the treatment.
What is the control group?
200
This statistical measure describes the variability around the mean.
What is standard deviation?
200
Correlation does not indicate this.
What is causation?
200
Studying the effect of noise on the ability to play music. The results show that the time of day has an impact on the ability to play music. Time is a __________.
What is a confounding variable?
300
The accuracy of the tested conditions. It measures what it was designed to measure.
What is validity?
300
When a researcher unintentionally gives away a hint as participants provide desirable responses.
What is a researcher bias?
300
Approximately 68% of the scores in a normal distribution fall in _________ standard deviation.
What is 1 standard deviation?
300
This distribution shows that a group has one high score (one high outlying score).
What a positively skewed distribution?
300

When the one factor decreases, another factor decreases as well.

What is a positive correlation?

400
Participants have an equal chance to be assigned to either an experiment and control group.
What is random assignment?
400
A study that determines the relationship between two events.
What is a correlation study?
400

The result that shows up most frequently.

What is Mode?

400

The distance from the highest to the lowest scores.

What is a range?

400
Exercise and weight illustrate this correlation.
What is a negative correlation?
500
Replication of a study. Studies can be replicated and the results will be similar to its predecessor.
What is reliability?
500
This type of research design can eliminate the experimenter bias.
What is a double-blind design/study?
500
Describes a result that is probably not due to chance.
What is statistically significant?
500

This means that there is 5% chance the results are due to chance.

What is statistical significance or P-Value?

500
These correlation coefficients shows the strongest possible correlation.
What is -1.00 and +1.00?