Missing person alerts: does repeated exposure decrease their effectiveness?

Objectives

Prospective person memory refers to situations where one is asked to be on the lookout for a missing or wanted individual. Some researchers have hypothesized that because people see missing person alerts for multiple people over a period of time, that people habituate to missing persons alerts much like they do to car alarms. The purpose of this research was to test that hypothesis.

Methods

Some participants saw three different mock missing person videos, depicting three different target individuals, with one video being shown on each of 3 days (Monday, Wednesday, Friday). Other participants engaged in unrelated tasks on the first 2 days and saw a single mock missing person video on the third day. All participants were told that if they saw a person from a mock missing person video and contacted the experimenters they would win a cash prize. On the final day of the study, the target individual was located in the hallway a short distance from the experiment room in a location that participants had to pass on their way out of the building.

Results

Correct sightings of the target individual were significantly lower in the multiple video condition than in the single video condition.

Conclusions

The results suggest that overuse of missing person alert systems can decrease their effectiveness in a manner consistent with a “car alarm” effect.

     

Facebook,the Conservatives and the Risk to Fair and Open Elections in the UK

The Conservative party spent £1.2 million on Facebook during the UK 2015 general election campaign. This enabled the party to target specific voters in marginal constituencies with tailored messages. Their use of Facebook in 2015 shows how central digital media had become to their campaign communication. It also shows, however, that this communication may be compromising the principles of fair and open elections in the UK, for example by allowing parties to effectively bypass constituency spending limits and avoid transparency. Unless electoral legislation and regulation are changed to take account of developments in digital media they are liable to become increasingly anachronistic and ineffective.     

Causal Attributions and Affective Responses to Provocative Female Partner Behavior by Abusive and Nonabusive Males

The present study examined the effects of the degree of female partner provocation on cognitive attributions and affective responses in verbally abusive and nonabusive college males. In Phase 1 (N = 116), subjects listened to audiotapes of hypothetical dating situations in which the female partner's behavior was nonprovocative or moderately provocative; in Phase 2 (N = 105), the female partner's behavior was nonprovocative or highly provocative. The major hypothesis was that abusive males would make greater negative intent and responsibility attributions and report more powerful feelings of jealousy, rejection, and abandonment in response to moderately and highly provocative partner behavior but not in response to nonprovocative partner behavior than would nonabusive males. Results from Phase 1 showed that abusive males reported reliably greater negative attributions and feelings of jealousy, rejection, and abandonment in response to moderately provocative partner behavior than did nonabusive males. No group differences were associated with nonprovocative partner behavior. Results from Phase 2 showed that abusive males attributed greater negative intent and feelings of rejection and abandonment to both highly provocative and nonprovocative partner behavior than did nonabusive males. Negative attributions and feelings of jealousy, rejection, and abandonment increased reliably from moderately provocative to highly provocative female behavior for abusive and nonabusive males, who differed reliably from each other. Implications for the assessment and treatment of abusive men were discussed.