Giving dyadic data analysis away: A user‐friendly app for actor–partner interdependence models

The actor–partner interdependence model (APIM) is widely used for analyzing dyadic data. Although dyadic research has become immensely popular, its statistical complexity can be a barrier. To remedy this, a free user‐friendly web application, called APIM_SEM, has been developed. This app automatically performs the statistical analyses (i.e., structural equation modeling) of both simple and complex APIMs. It allows the researcher to analyze distinguishable or indistinguishable dyads, to examine dyadic patterns, to estimate actor and partner effects of one or two predictors, and to control for covariates. Results are provided in software and text format, complemented by summary tables and figures. As an illustration, the effect of perception of the partner on satisfaction is assessed by fitting APIMs with varying complexity.     

Self-esteem as a better predictor of restrained eaters' food intake than attributional style and disinhibition tendency

In the present study, a weight increase or decrease was experimentally manipulated in restrained and unrestrained eating subjects. It was hypothesized that restrained eating subjects in the high-weight condition will attribute the cause of this important negative event to internal, stable, and global factors. Such a depressogenic attributional style was expected to be reflected in a more depressed mood which, in its turn, should trigger disinhibitive eating during a bogus taste test. Moreover, it was hypothesized that high scores on Zuckerman's disinhibition subscale and low self-esteem were related to larger food intake. Main findings were that a manipulated weight increase indeed lowered the mood of restrained eaters, whereas it had no effect on the mood of unrestrained eaters. However, the weight increase and the mood decrease of restrained subjects in the high-weight condition were not reflected in a more depressive attributional style and increased food intake. Level of self-esteem appeared to be the best and only predictor of restrained eaters' food intake with lower-self-esteem subjects eating less during the taste test. Moreover, although the restrained subjects scored significantly higher on a general measure of disinhibition than the unrestrained ones, disinhibition was not a very strong predictor of food intake. © 1998 John Wiley & Sons, Ltd.     

Overweight and cognition

There is a growing concern among health authorities that an increasing number of people in the Western world become overweight and even obese. It is well known that obesity is related to several diseases (e.g., diabetes, stroke, and high blood pressure) and that such diseases related to obesity lead to early death. It has also been discussed whether overweight and obesity in themselves or in relation to such diseases lead to cognitive decline. On the basis of data from a large, population‐based, prospective study we examined three cognitive domains: episodic memory, semantic memory, and spatial ability. Two body measures were used to define normal weight and overweight, body‐mass index and waist/hip ratio. Although these two body measures reveal quite different prevalence data of overweight, the associations between overweight and cognition are similar. For episodic memory, overweight interacts with age, but when controlling for hypertension, stroke and diabetes, this interaction disappears. For semantic memory, normal weight participants outperform overweight participants even after controlling for these diseases. For spatial ability, the well‐established advantage for men holds for young‐old and old‐old normal‐weight participants. For overweight participants, this advantage holds for middle‐age participants only. We conclude that there is a weight‐cognition relationship even after controlling for obesity‐related diseases. The results are discussed in terms of possible biological mechanisms.     

Psychometric properties of the Danish 16PF and EPQ

A Danish translation of the Cattell's 16PF has been used in studies evaluating the effects of prenatal drug exposure. This paper reports a psychometric analysis of the 16PF and Eysenck's EPQ based on a sample of 558 young Danes. Many 16PF scales had unacceptable psychometric properties (as indicated by coefficient alpha and item–total score correlations), but more satisfactory results were obtained with the EPQ N and E scales. A factor analysis of all 16PF and EPQ scales suggested a six factor solution that roughly corresponds to the second-order factor structure obtained by Krug and Johns (1986). It is concluded that the second-order factor structure should be the basis of interpretation of the 16PF in both practical and research contexts.     

Relation of number of different responses to group size and stimulus words in a discrete free-association situation

FlekkØy, K., Holme, I. & Mohn, E. Relation of number of different responses to group size and stimulus words in a discrete free-association situation. Scand. J. Psychol., 1973, 14, 4–8.-An exploration of the total number (D) of different responses given to a stimulus word in a single-word, free-association situation showed that (1) the first 50 Kent-Rosanoff words (in Norwegian) were highly heterogeneous with regard to D; (2) was an asymptotic function of the number of subjects; and (3) the larger D for schizophrenics may be attributed to their higher frequency of individual responses. It was also indicated that D may not be a valid measure of the magnitude of the associative potential of the individual.     

Some Aspects of Loneliness in Families

Although awareness of the harmful effects of loneliness has increased in recent years, lonely persons continue to be viewed as family outsiders or nonfamily. Beginning with the general-systems concept of loneliness as having a healthy, adaptive function in families, this article explores the family context of different degrees of loneliness. It assumes that prolonged loneliness (in addition to its meaning for the individual system) is a manifestation of certain kinds of family processes. Five such processes involved in the prolonging of loneliness are suggested: unresolved grief, pathological certainty, synchronicity, family expansion, and parental abdication.