1. Good hypotheses are declarative statements.
Poor hypothesis: Is there an association between depression and relational quality in dating relationships.
Good hypothesis: There will be a negative association between depression and relational quality in dating
relationships.
2. Good hypotheses are complete sentences.
Poor hypothesis: Teenagers and violence
Good hypothesis: Adolescent males will report greater enjoyment of slasher films than adolescent females.
3. Good hypotheses can be empirically tested.
Poor hypothesis: Aliens are better communicators than humans.
Good hypothesis: A person’s age will be related positively to a person’s income.
4. Good hypotheses contain at least two variables.
Poor hypothesis: Extramarital affairs are wrong.
Good hypothesis: The more people watch soap operas, the more extramarital affairs they will have.
5. Good hypotheses specify the nature or direction of the relationship(s) of the variables under
consideration.
A. If the hypothesis concerns group differences, it specifies which group will score higher than which other
group(s) on specified variables.
Poor hypothesis: There will be a sex difference on jealousy scores.
Good hypothesis: Males will score higher than females on total score for the Mathes jealousy measure.
B. If the hypothesis concerns correlations among variables, it specifies whether the direction of the correlation
(association) is positive or negative.
Poor hypothesis: Jealousy will be correlated with anger expression.
Good hypothesis: There will be a positive correlation between jealousy scores on the Mathes measure and
anger-out scores on Siegel’s Anger Expression subscale.
6. Good hypotheses are not value judgments.
Poor hypothesis: Women are better than men when it comes to putting themselves in the shoes of others.
Good hypothesis: College women will score higher than college men on the College Empathy Scale.
7. Good hypotheses are not trivial; for example, they do not predict a relationship that is already wellestablished.
Poor hypothesis: More seniors than freshmen will have declared a major.
Good hypothesis: Seniors will score higher than freshmen on an "anxiety about the future" scale.
8. Hypotheses concerning group differences will include a clear comparative statement.
Poor hypothesis: When it comes to assertiveness, men are likely to do best.
Good hypothesis: Men will score higher than women on the assertiveness measure.
9. In general, good hypotheses do not predict a lack of significant differences or correlations.
Poor hypothesis: Measures of intelligence, competence, motivation, and previous learning will not be related
to how well students do in COMM 480.
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