OMbook_glossary

E

Efficiency

One of the 3 E’s from the hugely influential monograph: Cochrane, A. L. (1972). Effectiveness...

Effectiveness

One of the 3 E's from the hugely influential monograph: Cochrane, A. L. (1972). Effectiveness...

Efficacy (part of the 3 Es)

My "three E's" are Efficacy, Effectiveness and Efficiency which were the central theme of a...

Ecological Momentary Assessment (EMA)

This refers to collection of data from participants at various times of day in their...

Exploratory factor analysis (EFA)

A statistical approach that hopes to simplify multivariate data, i.e. data where we have values...

EPO-1

A single item, five level, change/outcome measure proposed for adoption within the European Psychotherapy Consortium...

European Psychotherapy Consortium (EPoC)

A coalition/consortium arising out of the Society for Psychotherapy Research meeting in 2022 and formalised...

Exploratory data analysis (EDA)

A statistical approach, methodology, inspired by John Tukey. Tukey was something of a polymath...

EQ-5D-5L

Probably the dominant quality of life measure, distributed by Euroqol and free for non-commercial use...

Eating attitudes test (EAT)

Two self-report questionnaires designed to tap into problematic attitudes common in eating disorders. Details The...

Employee assistance programmes (EAPs)

These are programmes offering some degree of support with mental health and well-being issues for...

Effect size

Effect size measures are a way to separate the strength of an effect. An...

ePROVIDE

Online repository of outcome/change measures (their term is "Clinical Outcome Assessments (COAs)" and related information...

Error

Mistake, transgression. OK, not that use of the word! For MH/therapy change measurement...

Empirical Cumulative Distribution Function (ECDF)

A cumulative distribution the "empirical" indicates that is based on data not on the definition...

Early termination

Like "attrition" a seemingly polite term for opting out that hides the client's autonomy and...

Ethnicity

A key sociodemographic variable in many countries. Interestingly, it's illegal to collect data on...

Empirical research

Any research involving data as well as theory rather than purely exploring theory (conceptual research). Details This...

ECM (Embedded Change Measurement)

As we say in Chapter 1:"We will use ECM to describe the process when OMs...

ESTs (Empirically Supported Treatments)

The name suggests interventions with some evidence base, however it has come to mean therapies...

Expectancy effects

Expectancy effects refer to the power that clients’ and therapists’ and researchers’ beliefs have on...

Estimate, estimation

In statistical thinking we treat a statistic from a sample both as a description of...