Environmentalism at home: The process of ecological resocialization by teenagers

Both family decision making and consumer socialization studies have been focused largely on the influence of parents on children. However, because family communication is not unidirectional, studying teenagers' influence on their parents can provide a fuller understanding of consumers' resocialization processes. This study reports on 26 depth interviews conducted with teenagers and their mothers, designed to investigate how parental styles and frequency of communication between a teenager and parent affect parental ecological resocialization. Parental styles and the frequency of communication both have notable impacts on teenagers' influence on their mothers' pro‐environmental behaviors. Moreover, whereas bilateral strategies (bargaining and reasoning) are the most effective strategies used with warmer mothers, unilateral strategies (persuasion and nagging) are the least effective strategies used with cooler mothers. Copyright © 2012 John Wiley & Sons, Ltd.     

Is happiness the supreme good? Some philosophical objections

Modern philosophy is characterised by various objections to the Aristotelian conception of happiness as the supreme good of human life. In this paper, I focus on the objections raised by two key thinkers of the modern period, namely Blaise Pascal and Friedrich Nietzsche. Both philosophers formulate important counter- arguments to the teleological claim that happiness is the highest good towards which all human beings naturally direct their efforts. Their target is not any specific definition of happiness as a particular kind of activity, or a particular kind of good. Instead, they express a more fundamental scepticism about the very possibility of happiness being the ultimate end of human life. As I show, Pascal's and Nietzsche's radical point is that, since reason alone can never answer for certain the question of whether or not happiness is the ultimate aim of human existence, philosophy should not concern itself with the question of happiness. The paper has three parts. I first sketch an outline of Pascal's sceptical argument with regard to happiness, and then present his positive definition of happiness, after which I do the same for Nietzsche. The third part is devoted to a critical assessment of their positions in light of an alternative argument developed by John Cottingham.     

Mother–Calf vocal communication in Atlantic walrus: a first field experimental study

In all colonial pinnipeds studied, mother–young vocal recognition exists and allows rapid and reliable meetings in spite of the confusing environment of the breeding colony. The efficiency of this recognition process guarantees pup survival, especially in species where females alternate foraging sea trips and lactation periods on land. The Atlantic Walrus (Odobenus rosmarus rosmarus) is a highly gregarious pinniped with females attending their calves for an extended period of time (2–3 years). Although we expect mother–calf vocal recognition to occur in this species due to the high density of individuals packed in herds, it has never been experimentally demonstrated. Here, we assessed the individual stereotypy of both mother and calf barks recorded in the wild by measuring frequency and temporal acoustic parameters. Both discriminant function and artificial neural network analyses resulted in high correct classification rates, underlying a well-defined individual stereotypy in parameters related to frequency modulation and frequency values. Playback experiments showed that mothers were more responsive to the barks of their own calf than to those of unrelated young. Finally, propagation experiments revealed that barks propagate at greater distances over water surface than over ice, acoustic features such as frequency modulation and frequency spectrum being highly resistant to degradation during propagation. Thus, acoustic analysis and propagation experiments suggest that these frequency parameters might be the key acoustic features involved in the individual identification process. This experimental study clearly demonstrates that Atlantic walrus has developed a highly reliable mother–calf vocal communication allowing such strong social bond.     

The memory remains: long-term vocal recognition in Australian sea lions

The ability to recognize other individuals plays an important role in mediating social interactions. As longitudinal studies are challenging, there is only limited evidence of long-term memory of individuals and concepts in mammals. We examined the ability of six wild Australian sea lions to discriminate between the voice of their mother and another adult female, both while they were dependent on their mother and when they were independent, 2 years after weaning. Here, we show that even after a long period of independence, juveniles retain the ability to identify their mother’s voice. Both when dependent and independent, animals showed stronger responses to maternal calls than to the calls of another female. This demonstration of recognition provides rare evidence of the long-term memory capabilities of wild mammals.     

The perceptual origins of the abstract same/different concept in human infants

Very few experiments have studied the two item same/different relation in young human infants. This contrasts with an extensive animal literature. We tested young infants with two novel tasks designed specifically to provide convergent comparative measures. Each infant completed both tasks allowing an assessment of their understanding of the abstract concept rather than task-specific abilities. In a looking time task with photographic stimuli, we found that 8-month-olds are sensitive to the relation but 4-month-olds are not. The second task used an anticipatory eye movement paradigm with simple geometric stimuli. On each trial, two colored shapes appear and moved upwards behind an occluder. They reappeared on either the upper left or right depending on the relation between them. Infants at both ages learned and generalized the dependency but only for the different relation. These results show that human infants can learn the same/different concept but that, in strong continuity with animal results, their abilities are firmly grounded in perception.     

Strategy selection and aging: Impact of item concreteness in paired-associate task

ABSTRACT

The aim of this study was to examine the effect of aging on strategy selection in a paired-associate word task. Twenty-eight younger adults (mean age = 20.68 years) and 28 older adults (mean age = 68.46 years) studied 39 pairs of concrete, middle and abstract words. The concreteness level was manipulated in order to modify the benefit of imagery and sentence strategies in relation to task characteristics. The results showed an age difference in strategy selection in relation to concreteness level. Older adults showed less adaptive strategy selection for the imagery strategy but not for the sentence strategy. Change in strategy selection did not seem to be explained by better efficiency of sentence than imagery, so this study suggests a partial reduction of strategy adaptivity during aging.     

Episodic Encoding in Normal Aging: Attentional Resources Hypothesis Extended to Musical Material

The goal of the present study was to examine age-related changes in musical episodic memory for novel tunes. This was conducted by manipulating the encoding condition in a recognition paradigm. After receiving memory instructions (intentional condition), older and younger participants obtained equivalent hits. In contrast, when intentional encoding was accompanied by a dancing judgment (dancing + intentional condition), the recognition performance of the older persons was severely impaired. Impaired recognition was also found when participants only judged the excerpts without being instructed to memorize them (dancing judgment condition). Although older participants demonstrated a preserved ability to perform the dancing judgment on its own, this ability was not optimal and likely precluded the initiation of more elaborate encoding strategies. These results suggest that asking older persons to divide their attention in the study phase reduces the quality of their musical encoding. Given this extension to musical material, we discuss the notion that the age-related attentional resource decline appears to be domain-general rather than specific to verbal material.     

Do Parenting Variables Have Specific or Widespread Impact on Parenting Covariates? The Effects of Manipulating Self-Efficacy or Verbal Responsiveness

ABSTRACT

This research aimed at determining to what extent manipulating a specific parenting variable, self-efficacy beliefs or verbal responsiveness, causes specific change in this variable alone, or conversely to what extent it causes widespread change that affects other parenting covariates—in particular behavioral and emotional responsiveness, positive affect irritability, support, and control. Two microtrials were used to achieve this goal. The 45 parents participating were randomly assigned to an 8-week waiting list followed by an 8-week intervention condition focusing on self-efficacy manipulation, or to an 8-week intervention condition focusing on verbal responsiveness manipulation. It can be concluded from the results that the two specific parenting variables under consideration had widespread effects on the six parenting behaviors, with the exception of control in the self-efficacy beliefs condition. The results are discussed for both empirical and clinical purposes.