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Dean Eckles on people, technology & inference

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Public once, public always? Privacy, egosurfing, and the availability heuristic

The Library of Congress has announced that it will be archiving all Twitter posts (tweets). You can find positive reaction on Twitter. But some have also wondered about privacy concerns. Fred Stutzman, for example, points out how even assuming that only unprotected accounts are being archived this can still be problematic.1 While some people have Twitter usernames that easily identify their owners and many allow themselves to be found based on an email address that is publicly associated with their identity, there are also many that do not. If at a future time, this account becomes associated with their identity for a larger audience than they desire, they can make their whole account viewable only by approved followers2, delete the account, or delete some of the tweets. Of course, this information may remain elsewhere on the Internet for a short or long time. But in contrast, the Library of Congress archive will be much more enduring and likely outside of individual users’ control.3 While I think it is worth examining the strategies that people adopt to cope with inflexible or difficult to use privacy controls in software, I don’t intend to do that here.

Instead, I want to relate this discussion to my continued interest in how activity streams and other information consumption interfaces affect their users’ beliefs and behaviors through the availability heuristic. In response to some comments on his first post, Stutzman argues that people overestimate the degree to which content once public on the Internet is public forever:

So why is it that we all assume that the content we share publicly will be around forever?  I think this is a classic case of selection on the dependent variable.  When we Google ourselves, we are confronted with what’s there as opposed to what’s not there.  The stuff that goes away gets forgotten, and we concentrate on things that we see or remember (like a persistent page about us that we don’t like).  In reality, our online identities decay, decay being a stochastic process.  The internet is actually quite bad at remembering.

This unconsidered “selection on the dependent variable” is one way of thinking about some cases of how the availability heuristic (and use of ease-of-retrievel information more generally). But I actually think the latter is more general and more useful for describing the psychological processes involved. For example, it highlights both that there are many occurrences or interventions can can influence which cases are available to mind and that even if people have thought about cases where their content disappeared at some point, this may not be easily retrieved when making particular privacy decisions or offering opinions on others’ actions.

Stutzman’s example is but one way that the combination of the availability heuristic and existing Internet services combine to affect privacy decisions. For example, consider how activity streams like Facebook News Feed influence how people perceive their audience. News Feed shows items drawn from an individual’s friends’ activities, and they often have some reciprocal access. However, the items in the activity stream are likely unrepresentative of this potential and likely audience. “Lurkers” — people who consume but do not produce — are not as available to mind, and prolific producers are too available to mind for how often they are in the actual audience for some new shared content. This can, for example, lead to making self-disclosures that are not appropriate for the actual audience.

  1. This might not be the case, see Michael Zimmer and this New York Times article. []
  2. Why don’t people do this in the first place? Many may not be aware of the feature, but even if they are, there are reasons not to use it. For example, it makes any participation in topical conversations (e.g., around a hashtag) difficult or impossible. []
  3. Or at least this control would have to be via Twitter, likely before archiving: “We asked them [Twitter] to deal with the users; the library doesn’t want to mediate that.” []

Keyword searching papers citing a highly-cited paper with Google Scholar

[Update: Google Scholar now directly supports this feature, check the box right below the search box after clicking “Cited by…”.]

In finding relevant research, once one has found something interesting, it can be really useful to do “reverse citation” searches.

Google Scholar is often my first stop when finding research literature (and for general search), and it has this feature — just click “Cited by 394”. But it is not very useful when your starting point is highly cited. What I often want to do is to do a keyword search of the papers that cite my highly-cited starting point.

While there is no GUI for this search within these results in Google Scholar, you can actually do it by hacking the URL. Just add the keyword query to the URL.

This is the URL one gets for all resources Google has as citing Allport’s “Attitudes” (1935):

http://scholar.google.com/scholar?cites=9150707851480450787&hl=en

And this URL searches within those for “indispensable concept”:

http://scholar.google.com/scholar?hl=en&cites=9150707851480450787&q=indispensable+concept

In this particular case, this gives us many examples of authors citing Allport’s comment that the attitude is the most distinctive and indispensable concept in social psychology. This example highlights that this can even just help get more useful “snippets” in the search results, even if it doesn’t narrow down the results much.

I find this useful in many cases. Maybe you will also.

No entity without identity: individuating attitudes in social psychology

Social psychologists like to write about attitudes. In fact, following Allport (1935), many of them have happily commented that the attitude is the most central and indispensable construct in social psychology (e.g., Petty, Wegener, Fabrigar, 1997). Here is a standard definition of an attitude: an attitude is

a psychological tendency that is expressed by evaluating a particular entity with some degree of favor or disfavor. (Eagly & Chaiken, 2007, p. 598)

A somewhat more specific view has it that attitudes are

associations between a given object and a given summary evaluation of the object — associations that can vary in strength and, hence, in their accessibility from memory. (Fazio, 2007, p. 608)

Attitudes are also supposed to be important for predicting behavior, though the attitude–behavior link is the subject of a great deal of controversy, which I can’t fully treat here. An extreme, design-oriented view is expressed by a B.F. Skinner-channeling B.J. Fogg:

Don’t waste time mapping attitudes to behaviors. It’s a tough, useless problem. Blackbox attitudes. Focus on behavior change & metrics.

While Fogg isn’t representative of mainstream, contemporary social psychology, similarly skeptical thoughts are expressed by investigators like Schwartz (2007). On the other hand, one common view of the attitude–behavior link is that it is quite strong (Kraus, 1997), but that (a) many research methods fail to measure attitudes and behaviors with regard to the same entities (Ajzen & Fishbein, 1977) and (b) this link is an important empirical subject, not built into the attitude construct by definition (Fazio, 2007; Zanna & Rempel, 1988).

I’ll set aside for now just how useful attitudes are for predicting behavior. But what should we make of this construct? That is, should we keep it around? Do we expect something like social psychology’s attitudes to be part of a mature science of human behavior?

Maybe I’m a sucker for a good slogan, but when I read psychologists’ on attitudes, I think of Quine’s slogan: no entity without identity. That is, we shouldn’t posit objects that don’t have identity conditions — the conditions under which we say that X and Y are the same object.

This slogan, followed strictly in everyday life, can get tricky: a restaurant changes owners and name — is it the same restaurant? But it is pretty compelling when it comes to the entities we use in science. Of course, philosophers have debated this slogan — and many particular proposed cases of posited entities lacking identity conditions (e.g., entities in quantum physics) — so I’ll leave it that lacking identity conditions might vary in how much trouble it causes for a theory that uses such entities.

What I do want to comment on is how strikingly social psychology’s attitudes lack good identity conditions — and thus have no good way of being individuated. While we might think this doesn’t cause much trouble in this case (as I just noted), I actually think it creates a whole family of pseudo-problems that psychologists spend their time on and build theories around.

First, evidence that there is trouble in individuating attitudes: As is clear from the definition of an attitude provided above, attitudes are supposed to be individuated by their object:

This evaluative responding is directed to some entity or thing that is its object—that is, we may evaluate a person (George W. Bush), a city (Chicago), an ideology (conservatism), and a myriad of other entities. In the language of social psychology, an entity that is evaluated is known as an attitude object. Anything that is discriminable or held in mind, sometimes below the level of conscious awareness, can be evaluated and therefore can function as an attitude object. Attitude objects may be abstract (e.g., liberalism, religious fiindamentalism) or concrete (e.g., the White House, my green raincoat) as well as individual (e.g., Condoleezza Rice, my sister-in-law) or collective (e.g., undocumented workers, European nations). (Eagly & Chaiken, 2007, p. 584)

So, for example,  I can have an attitude towards Obama. This attitude can then have internal structure, such that there are multiple evaluations involved (e.g., implicit and explicit). This seems pretty straightforward: it is at least somewhat clear when some cognitive structures share the Obama as object.1

But trouble is not far around the corner. Much discussion of attitudes involves attitudes objects that are abstract objects — like sets or classes of objects– embedded in a whole set of relationships. For example, I might have attitudes towards snakes, Blacks, or strawberry ice cream. And there isn’t any obvious way that the canonical class by which attitudes are to be individuated gets picked out. A person has evaluative responses to strawberry ice cream, Ben & Jerry’s brand ice cream, ice cream in general, the larger class of such foods (including frozen yogurt, gelato, “soft serve”), foods that cool one down when eaten, etc.

This doesn’t just work with ice cream. (Obama instantiates many properties and is a member of many relevant classes.)

At this point, you might be thinking, how does all this matter? Nothing hinges on whether X and Y are one attitude or two…2

The particular trouble on my mind is that social psychologists have actually introduced distinctions that make this individuation important. For example, Eagly & Chaiken (2007) make much of their distinction between intra-attitudinal and inter-attitudinal structure. They list different kinds of features each can have and use this distinction to tell different stories about attitude formation and maintenance. I’m not ready to give a full review of these kinds of cases in the literature, but I think this is a pretty compelling example of where it seems critical to have a good way of individuating attitudes if this theory is to work.

Maybe the deck was stacked against attitudes by my prior beliefs, but I’m not sure I see why they are a useful level of analysis distinct from associations embedded in networks or other, more general, knowledge structures.

What should we use in our science of human behavior instead?

I’m surprised to find myself recommending this, but what philosophers call propositional attitudes — attitudes towards propositions, which are something like what sentences/utterances express — seem pretty appealing. Of course, there has been a great deal of trouble individuating them (in fact, they are one of the kinds of entities Quine was so concerned about). But their individuation troubles aren’t quite so terrible as social psychology’s attitudes: a propositional attitude can involve multiple objects without trouble, and it is the propositional attitudes themselves that can then specify the relationships of these entities to other entities.

I’m far from sure that current theories of propositional attitudes are ready to be dropped in, unmodified, to work in empirical social psychology — Daniel Dennett has even warned philosophers to be wary of promoting propositional attitudes for use in cognitive science, since theory about them is in such a mess. But I do think we have reason to worry about the state of the attitude construct in theorizing by social psychologists.

References

Ajzen, I., & Fishbein, M. (1977). Attitude-Behavior Relations: A Theoretical Analysis and Review of Empirical Research. Psychological Bulletin, 84(5), 8–918.

Allport, G. W. (1935). Attitudes. In C. Murchison (Ed.), Handbook of Social Psychology (Vol. 2, pp. 798–844). Worcester, MA: Clark University Press.

Eagly, A. H., & Chaiken, S. (2007). The Advantages of an Inclusive Definition of Attitude. Social Cognition, 25(5), 582-602.

Fazio, R. H. (2007). Attitudes as object-evaluation associations of varying strength. Social Cognition, 25(5), 603-637.

Fodor, J. A. (1980). Methodological solipsism considered as a research strategy in cognitive psychology. Behavioral and Brain Sciences, 3(1), 63–73.

Kraus, S. J. (1995). Attitudes and the Prediction of Behavior: A Meta-Analysis of the Empirical Literature. Pers Soc Psychol Bull, 21(1), 58-75. doi: 10.1177/0146167295211007.

Petty, R. E., Wegener, D. T., & Fabrigar, L. R. (1997). Attitudes and Attitude Change. Annual Review of Psychology, 48(1), 609-647.

Quine, W.V.O. (1969). Speaking of Objects. Ontological Relativity and Other Essays. New York: Columbia University Press.

Schwarz, N. (2007). Attitude Construction: Evaluation in Context. Social Cognition, 25(5), 638-656.

Zanna, M. P., & Rempel, J. K. (1988). Attitudes: A new look at an old concept. The Social Psychology of Knowledge, 315–334.

  1. There is still plenty of room for trouble, but this will be common to many representational constructs. For example, there are the familiar problems of what attitudes Louis has towards Superman. Superman is Clark Kent, but it would be odd if this external fact (which Louis doesn’t know) should determine the structure of Louis’ mind. See Fodor (1980). []
  2. You would likely be in good company, I’m guessing this is a thought that was running through the heads of many of the smart folks in the seminar, “Attitudes and Persuasion”, in which I rambled on about this issue two weeks ago. []

Multitasking among tasks that share a goal: action identification theory

Right from the start of today’s Media Multitasking Workshop1,  it’s clear that one big issue is just what people are talking about when they talk about multitasking. In this post, I want to highlight the relationship between defining different kinds of multitasking and people’s representations of the hierarchical structure of action.

It is helpful to start with a contrast between two kinds of cases.

Distributing attention towards a single goal

In the first, there is a single task or goal that involves dividing one’s attention, with the targets of attention somehow related, but of course somewhat independent. Patricia Greenfield used Pac-Man as an example: each of the ghosts must be attended to (in addition to Pac-Man himself), and each is moving independently, but each is related to the same larger goal.

Distributing attention among different goals

In the second kind of case, there are two completely unrelated tasks that divide attention, as in playing a game (e.g., solitaire) while also attending to a speech (e.g., in person, on TV). Anthony Wagner noted that in Greenfield’s listing of the benefits and costs of media multitasking, most of the listed benefits applied to the former case, while the costs she listed applied to the later. So keeping these different senses of multitasking straight is important.

Complications

But the conclusion should not be to think that this is a clear and stable distinction that slices multitasking phenomena in just the right way. Consider one ways of putting this distinction: the primary and secondary task can either be directed at the same goal or directed at different goals (or tasks). Let’s dig into this a bit more.2

Byron Reeves pointed out that sometimes “the IMing is about the game.” So we could distinguish whether the goal of the IMing is the same as the goal of the in-game task(s). But this making this kind of distinction requires identity conditions for goals or tasks that enable this distinction. As Ulrich Mayr commented, goals can be at many different levels, so in order to use goal identity as the criterion, one has to select a level in the hierarchy of goals.

Action identities and multitasking

We can think about this hierarchy of goals as the network of identities for an action that are connected with the “by” relation: one does one thing by doing (several) other things. If these goals are the goals of the person as they represent them, then this is the established approach taken by action identification theory (Vallacher & Wegner, 1987) — and this could be valuable lens for thinking about this. Action identification theory claims that people can report an action identity for what they are doing, and that this identity is the “prepotent identity”. This prepotent identity is generally the highest level identity under which the action is maintainable. This means that the prepotent identity is at least somewhat problematic if used to make this distinction between these two types of multitasking because then the distinction would be dependent on, e.g., how automatic or functionally transparent the behaviors involved are.

For example, if I am driving a car and everything is going well, I may represent the action as “seeing my friend Dave”. I may also represent my simultaneous, coordinating phone call with Dave under this same identity. But if driving becomes more difficult, then my prepotent identity will decrease in level in order to maintain the action. Then these two tasks would not share the prepotent action identity.

Prepotent action identities (i.e. the goal of the behavior as represented by the person in the moment) do not work to make this distinction for all uses. But I think that it actually does help makes some good distinctions about the experience of multitasking, especially if we examine change in action identities over time.

To return to case of media multitasking, consider the headline ticker on 24-hour news television. The headline ticker can be more or less related to what the talking heads are going on about. This could be evaluated as a semantic, topical relationship. But considered as a relationship of goals — and thus action identities — we can see that perhaps sometimes the goals coincide even when the content is quite different. For example, my goal may simply to be “get the latest news”, and I may be able to actually maintain this action — consuming both the headline ticker and the talking heads’ statements — under this high level identity. This is an importantly different case then if I don’t actually maintain the action at the level, but instead must descend to — and switch between — two (or more) lower level identities that are associated the two streams of content.

References

Vallacher, R. R., & Wegner, D. M. (1987). What do people think they’re doing? Action identification and human behavior. Psychological Review, 94(1), 3-15. 

  1. The full name is the “Seminar on the impacts of media multitasking on children’s learning and development”. []
  2. As I was writing this, the topic re-emerged in the workshop discussion. I made some comments, but I think I may not have made myself clear to everyone. Hopefully this post is a bit of an improvement. []

Social and cultural costs of media multitasking

Today I’m attending the Media Multitasking workshop at Stanford. I’m going to just blog as I go, so these posts are going to perhaps be a bit rougher than usual.1

The workshop began with a short keynote from Patricia Greenfield, a psychology professor at UCLA, about the costs and benefits of media multitasking. Greenfield’s presentation struck me as representing as an essentially conservative and even alarmist perspective on media multitasking.

Exemplifying this perspective was Greenfield’s claim that media multitasking (by children) is disrupting family rituals and privileging peer interaction over interaction with family. Greenfield mixed in some examples of how having a personal mobile phone allows teens to interact with peers without their parents being in the loop (e.g., aware of who their children’s interaction partners are). These examples don’t strike me as particularly central to understanding media multitasking; instead, they highlight the pervasive alarmism about new media and remind me of how “helicopter parents'” extreme control of their children’s physical co-presence with others is also a change from “how things used to be”.

Face-to-face vs. mediated

The relationship of these worries about mobile phones and the allegedly decreasing control that parents have over their children’s social interaction to media multitasking is that mediated communication is being privileged over face-to-face interaction. Greenfield proposed that face-to-face interaction suffers from media use and media multi-tasking, and that this is worrisome because we have evolved for face-to-face interaction. She commented that face-to-face interaction enables empathy; there is an implicit contrast here with mediated interaction, but I’m not sure it is so obvious that mediated communication doesn’t enable empathy — including empathizing with targets that one would otherwise not encounter face-to-face and experiencing a persistent shared perspective with close, but distant, others (e.g., parents and college student children).

Family reunion

Greenfield cited a study of 30 homes in which children and a non-working parent only greeted the other parent returning home from work about one third of the time (Ochs et al., 2006), arguing — as I understood it — that this is symptomatic of a deprioritization of face-to-face interaction.

As another participant pointed out, this could also — if not in these particular cases, then likely in others — be a case of not feeling apart during the working day: that is, we can ask, are the children and non-working parents communicating with the parent during the workday? In fact, Ochs et al. (2006, pp. 403-4) presents an example of such a reunion (between husband and wife in this case) in which the participants have been in contact by mobile phone, and the conversation picks up where it left off (with the addition of some new information available by being present in the home).

Next

I’m looking forward to the rest of the workshop. I think one clear theme of the workshop is going to be differing emphasis on costs and benefits of media multitasking of different types. I expect Greenfield’s “doom and gloom” will continue to be contrasted with other perspectives — some of which already came up.

References

Ochs, E., Graesch, A. P., Mittmann, A., Bradbury, T., & Repetti, R. (2006). Video ethnography and ethnoarchaeological tracking. The Work and Family Handbook: Multi-Disciplinary Perspective, Methods, and Approaches, 387–409.

  1. Which also means I’m multitasking, in some senses, through the whole conference. []
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