Which Statement Is Not True About Laboratory Experiments

question 63

Multiple Choice

Which statement is not true about laboratory experiments?

• A)The laboratory environment offers a high degree of control because it isolates the experiment in a carefully monitored environment.
• B)The artificiality of the environment may cause reactive error,in that the respondents react to the situation itself,rather than to the independent variable.
• C)Laboratory experiments are likely to have higher external validity than field experiments.
• D)Laboratory experiments allow for more complex designs than field experiments.

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Definitions:

Significance Level

A threshold in hypothesis testing that determines the probability of rejecting the null hypothesis when it is actually true, commonly denoted as alpha (α).

One-Way ANOVA

A statistical test used to compare the means of three or more independent groups to determine if there is a significant difference among them, based on one independent variable.

F Statistic

A statistical measure that determines the ratio of variance between groups to variance within groups in the context of ANOVA tests.

Significance Level

The threshold below which a p-value is considered statistically significant, often set at 0.05 or 5%.