Topic: Psychology

Methods: Correlation, Regression, Scatterplot,
Topics: Health, Psychology,
Datafile Name: Brain size
Abstract:

Are the size and weight of your brain indicators of your mental capacity? In this study by Willerman et al. (1991) the researchers use Magnetic Resonance Imaging (MRI) to determine the brain size of the subjects. The researchers take into account gender and body size to draw conclusions about the...

Methods: Histogram, Paired T-Test,
Topics: Psychology,
Datafile Name: Friday the 13th
Abstract:

Is Friday the 13th an unusually unlucky day, or is this just superstition? How do superstitions affect people's behavior? These questions were addressed by researchers Scanlon, et al. (1993) in a study that examined the relationship between behavior and superstition in the United Kingdom. The...

Methods: Boxplot, Two Sample T-Test, Pooled T-Test, Transformation,
Topics: Psychology,
Datafile Name: Fusion Time
Abstract:

This dataset contains results from an experiment in visual perception using random dot sterograms, such as that shown below. Both images appear to be composed entirely of random dots. However, they are constructed so that a 3D image (of a diamond) will be seen, if the images are viewed with a ste...

Methods: ANOVA,
Topics: Consumer, Psychology,
Datafile Name: Magazine Ads Readability
Abstract:

Six magazine advertisements were randomly selected from each of three magazines selected from magazines grouped into three classes according to educational level of their readers. For each advertisement selected the number of words of advertising copy, the number of sentences in the advertising c...

Methods: Experimental Design, T-test,
Topics: Education, Psychology,
Datafile Name: Scents
Abstract:

Can pleasant aromas help a student learn better? Hirsch and Johnston, of the Smell & Taste Treatment and Research Foundation, believe that the presence of a floral scent can improve a person's learning ability in certain situations. In their experiment, 22 people worked through a set of t...

Methods: Pooled T-Test, ANOVA, Boxplot,
Topics: Psychology,
Datafile Name: Singers
Abstract:

Each singer in the NY Choral Society in 1979 self-reported his or her height to the nearest inch. Their voice parts in order from highest pitch to lowest pitch are Soprano, Alto, Tenor, Bass. The first two are typically sung by female voices and the last two by male voices.

One can exam...

Methods: Chi Square Test, Contingency Table,
Topics: Education, Psychology,
Datafile Name: Popular Kids
Abstract:

The subjects, students in grades 4-6 in selected schools in Michigan, were asked the following question:

1. What would you most like to do at school?

A. Make good grades.

B. Be good at sports.

C. Be popular.

Demographic information was also collec...

Methods: Contingency Table, Chi Square Test,
Topics: Education, Psychology,
Datafile Name: Instructor Behavior
Abstract:

A survey of business students at nine colleges in the United States was taken to determine the instructor behaviors that students believe are more likely to contribute to their academic success. The researchers performed a pilot study from 1989-1991 in which 215 undergraduate students enrolled in...

Methods: Mean, Summary Statistics,
Topics: Psychology, Social Science,
Datafile Name: Popular Kids
Abstract:

The subjects, students in grades 4-6 in selected schools in Michigan, were asked the following question:

Which of the following would make you popular among your friends? Rank in order.

A. Make good grades.

B. Having lots of money.

C. Being good at sports.<...

Methods: Diagnostics, Correlation, Regression,
Topics: Psychology,
Datafile Name: Crawling
Abstract:

This study investigated whether babies take longer to learn to crawl in cold months when they are often bundled in clothes that restrict their movement, than in warmer months. The study sought an association between babies' first crawling age and the average temperature during the month they ...

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