Examlex
The measures of two angles of are given. Find the measure of the third angle, if and .
Online Experiments
Research experiments conducted over the internet, allowing for widespread participation and data collection from diverse populations.
Online Surveys
Surveys distributed and completed over the internet, allowing for a wider reach and often, quicker responses.
Internal Validity
The extent to which a study establishes a trustworthy cause-and-effect relationship between a treatment and an outcome.
External Validity
The extent to which the results of a study can be generalized or applied beyond the specific conditions of the study.
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