In Attempting to Solve the "Nine Dot Problem" Many Individuals

question 6

Multiple Choice

In attempting to solve the "nine dot problem" many individuals will not attempt to draw a line outside the imaginary boundary surrounding the nine dots. This is not a rule associated with the problem, but is imposed by the problem solver. What is this an example of?

• A)trial-and-error learning
• B)functional fixedness
• C)mental set
• D)unnecessary constraints

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Definitions:

Forward Selection

A stepwise regression approach where variables are sequentially added to the linear model based on their statistical significance in explaining the outcome variable.

Backward Elimination

A method in statistical model building where all variables are included at the start and then removed one by one based on some criteria.

F Statistic

A ratio used in ANOVA tests to determine if the variances between means of several groups are significantly different.

SST

Stands for "Sum of Squares Total," a measure in statistics that quantifies the total variation in a dataset.