I. Two Examples of a Hypothesis Are

question 70

Multiple Choice

i. Two examples of a hypothesis are:
1) mean monthly income from all sources for senior citizens is $841 and
2) twenty percent of juvenile offenders ultimately are caught and sentenced to prison.
ii. Hypothesis testing is a procedure based on sample evidence and probability theory to decide
Whether the hypothesis is a reasonable statement.
iii. Since there is more variability in sample means computed from smaller samples, we have more
Confidence in the resulting estimates and are less apt to reject null hypothesis.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (i) and (ii) are correct statements but not (iii).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Facial-Feedback Hypothesis

The idea that sensory feedback from our facial expressions can affect our mood and emotions, suggesting that smiling can make us feel happier.

Positive Feelings

encompass emotions and sentiments that are uplifting, joyous, or gratifying, contributing to an overall sense of well-being.

Facial Expressions

Visual cues expressed by the muscles in the face conveying emotions, social information, or reactions to stimuli.

Paul Ekman

A psychologist who is best known for his work on the facial expressions of emotion and their relation to our feelings.