Critical Thinking
Stats Stats Stats
Potpourri
Study Design
Ethics
100

the tendency to believe, after learning an outcome, that one would have foreseen it. (Also known as the I-knew-it-all-along phenomenon.)

What is... hindsight bias

100

the most frequently occurring score(s) in a distribution.

What is... mode

100

Which ear did Vincent Van Gogh cut off?

What is... his left ear

100

a non-experimental technique in which one individual or group is studied in depth in the hope of revealing universal principles.

What is... case study

100

the postexperimental explanation of a study, including its purpose and any deceptions, to its participants.

What is... debriefing

200

a testable prediction, often implied by a theory.

What is... hypothesis

200

the difference between the highest and lowest scores in a distribution.

What is... range

200

The only mammal that can fly

What is... BAT

200

a measure of the extent to which two factors vary together, and thus of how well either factor predicts the other.

What is... correlation

200

giving potential participants enough information about a study to enable them to choose whether they wish to participate.

What is... informed consent

300

a carefully worded statement of the exact procedures used in a research study.  

What is... operational definition

300

a computed measure of how much scores vary around the mean score.

What is... standard deviation

300

The most malleable metal

What is... GOLD

300

assigning participants to experimental and control groups by chance, thus minimizing preexisting differences between the different groups.

What is... random assignment

300

Name the four components of an ethical study

What is... 

informed consent, debriefing, no harm, confidentiality

400

repeating the essence of a research study, usually with different participants in different situations, to see whether the basic finding can be reproduced.

What is... replication

400

a statistical procedure for analyzing the results of multiple studies to reach an overall conclusion.

What is... meta-analysis

400

The only sport that has been played on the moon

What is... GOLF

400

a flawed sampling process that produces an unrepresentative sample.

What is... sampling bias

400

The organization that approves studies with human subjects at universities and research institutions

What is... the IRB (institutional review board)
500

scientific experts who evaluate a research article’s theory, originality, and accuracy.

What is... peer reviewers

500

a statistical statement of how likely it is that a result (such as a difference between samples) occurred by chance, assuming there is no difference between the populations being studied.

What is... statistical significance

500

The name for a person who can write with both hands

What is... ambidextrous 

500

in an experiment, the factor that is manipulated; the variable whose effect is being studied.

What is... independent variable

500

The top authorities on psychology in the country

What is... American Psychological Association (APA)