Experiments Are Widely Used in Which Type of Research Designs

question 9

Multiple Choice

Experiments are widely used in which type of research designs?

• A) causal
• B) descriptive
• C) exploratory
• D) nonspurious

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Definitions:

Confidence Interval

A range of values, determined from sample statistics, that is believed to contain the true population parameter with a certain probability.

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis; it marks the threshold for statistical significance.

T-Distribution

A probability distribution used in statistical analysis which is appropriate for estimating population parameters for small sample sizes or unknown variances.

T-Distribution

A probability distribution that arises in the sampling distribution of the mean of a normally distributed population when the sample size is small and the population standard deviation is unknown.