Examlex
A disadvantage of naturalistic observation is that:
•it is difficult to know which aspects of the situation caused other aspects to occur.
•the context is not as natural as structured
observation.
•the prediction of future behavior is often inaccurate.
•reports are often biased.
Z-Test
A statistical method for assessing if there is a significant difference between the means of two populations when variances are known and the sample sizes are large.
Chi-Squared Test
A statistical method employed to assess if the observed frequencies significantly differ from the expected frequencies across one or more categories.
Nominal Data
A type of categorical data for which the categories do not have a natural order or ranking.
Critical Value
A point on the scale of the test statistic beyond which we reject the null hypothesis; it depends on the chosen significance level.
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