Research Studies Have Shown

question 73

Multiple Choice

Research studies have shown

• A) infants to be capable of expressing all the emotions that adults can express.
• B) newborn infants to be capable of expressing social smiles.
• C) that infants will develop emotional expressions in response to particular external events.
• D) that production of emotion in children is random and independent of environmental stimuli.

---

Definitions:

Sample Mean

The average value of a sample set of numbers, calculated by adding all the values together and dividing by the number of values.

Sampling Distribution

The probability distribution of a statistic based on a large number of samples or replicates.

Probability Distribution

Describes how the probabilities are distributed over the values of a random variable.

Expected Value

The expected value of a variable, determined by summing up all possible values, each weighed by its probability of happening.